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Finding the Fourth Proportional to 74,949.84, 103,429.53 and 40,957.58

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Solution

The fourth proportional to 74,949.84, 103,429.53 and 40,957.58 is: 56,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,949.84 : 103,429.53 = 40,957.58 : x
  2. Step 2: Convert to fraction form
    74,949.84/103,429.53 = 40,957.58/x
  3. Step 3: Cross multiply
    74,949.84x = 103,429.53 × 40,957.58
  4. Step 4: Simplify right side
    74,949.84x = 4,236,222,732.19
  5. Step 5: Solve for x
    x = 4,236,222,732.19/74,949.84
  6. Step 6: Final answer
    x = 56,520.77

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