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Finding the Fourth Proportional to 242,700.60, 363,953.70 and 84,847.80

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Solution

The fourth proportional to 242,700.60, 363,953.70 and 84,847.80 is: 127,237.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,700.60 : 363,953.70 = 84,847.80 : x
  2. Step 2: Convert to fraction form
    242,700.60/363,953.70 = 84,847.80/x
  3. Step 3: Cross multiply
    242,700.60x = 363,953.70 × 84,847.80
  4. Step 4: Simplify right side
    242,700.60x = 30,880,670,746.86
  5. Step 5: Solve for x
    x = 30,880,670,746.86/242,700.60
  6. Step 6: Final answer
    x = 127,237.72

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