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Finding the Fourth Proportional to 74,357.84, 102,613.86 and 40,366.33

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Solution

The fourth proportional to 74,357.84, 102,613.86 and 40,366.33 is: 55,705.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,357.84 : 102,613.86 = 40,366.33 : x
  2. Step 2: Convert to fraction form
    74,357.84/102,613.86 = 40,366.33/x
  3. Step 3: Cross multiply
    74,357.84x = 102,613.86 × 40,366.33
  4. Step 4: Simplify right side
    74,357.84x = 4,142,144,678.80
  5. Step 5: Solve for x
    x = 4,142,144,678.80/74,357.84
  6. Step 6: Final answer
    x = 55,705.55

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