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Finding the Fourth Proportional to 74,419.94, 102,701.13 and 40,888.10

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Solution

The fourth proportional to 74,419.94, 102,701.13 and 40,888.10 is: 56,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,419.94 : 102,701.13 = 40,888.10 : x
  2. Step 2: Convert to fraction form
    74,419.94/102,701.13 = 40,888.10/x
  3. Step 3: Cross multiply
    74,419.94x = 102,701.13 × 40,888.10
  4. Step 4: Simplify right side
    74,419.94x = 4,199,254,073.55
  5. Step 5: Solve for x
    x = 4,199,254,073.55/74,419.94
  6. Step 6: Final answer
    x = 56,426.46

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