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Finding the Fourth Proportional to 10,858.91, 14,985.36 and 6,144.12

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Solution

The fourth proportional to 10,858.91, 14,985.36 and 6,144.12 is: 8,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.91 : 14,985.36 = 6,144.12 : x
  2. Step 2: Convert to fraction form
    10,858.91/14,985.36 = 6,144.12/x
  3. Step 3: Cross multiply
    10,858.91x = 14,985.36 × 6,144.12
  4. Step 4: Simplify right side
    10,858.91x = 92,071,850.08
  5. Step 5: Solve for x
    x = 92,071,850.08/10,858.91
  6. Step 6: Final answer
    x = 8,478.93

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