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Finding the Fourth Proportional to 76,494.02, 105,600.12 and 47,829.62

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Solution

The fourth proportional to 76,494.02, 105,600.12 and 47,829.62 is: 66,028.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,494.02 : 105,600.12 = 47,829.62 : x
  2. Step 2: Convert to fraction form
    76,494.02/105,600.12 = 47,829.62/x
  3. Step 3: Cross multiply
    76,494.02x = 105,600.12 × 47,829.62
  4. Step 4: Simplify right side
    76,494.02x = 5,050,813,611.55
  5. Step 5: Solve for x
    x = 5,050,813,611.55/76,494.02
  6. Step 6: Final answer
    x = 66,028.87

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