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Finding the Fourth Proportional to 76,515.14, 105,590.78 and 42,522.54

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Solution

The fourth proportional to 76,515.14, 105,590.78 and 42,522.54 is: 58,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,515.14 : 105,590.78 = 42,522.54 : x
  2. Step 2: Convert to fraction form
    76,515.14/105,590.78 = 42,522.54/x
  3. Step 3: Cross multiply
    76,515.14x = 105,590.78 × 42,522.54
  4. Step 4: Simplify right side
    76,515.14x = 4,489,987,953.57
  5. Step 5: Solve for x
    x = 4,489,987,953.57/76,515.14
  6. Step 6: Final answer
    x = 58,681.04

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