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Finding the Fourth Proportional to 540,967.78, 811,493.87 and 181,139.98

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Solution

The fourth proportional to 540,967.78, 811,493.87 and 181,139.98 is: 271,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,967.78 : 811,493.87 = 181,139.98 : x
  2. Step 2: Convert to fraction form
    540,967.78/811,493.87 = 181,139.98/x
  3. Step 3: Cross multiply
    540,967.78x = 811,493.87 × 181,139.98
  4. Step 4: Simplify right side
    540,967.78x = 146,993,985,901.99
  5. Step 5: Solve for x
    x = 146,993,985,901.99/540,967.78
  6. Step 6: Final answer
    x = 271,724.11

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