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Finding the Fourth Proportional to 52,497.80, 78,746.70 and 51,806.60

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Solution

The fourth proportional to 52,497.80, 78,746.70 and 51,806.60 is: 77,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,497.80 : 78,746.70 = 51,806.60 : x
  2. Step 2: Convert to fraction form
    52,497.80/78,746.70 = 51,806.60/x
  3. Step 3: Cross multiply
    52,497.80x = 78,746.70 × 51,806.60
  4. Step 4: Simplify right side
    52,497.80x = 4,079,598,788.22
  5. Step 5: Solve for x
    x = 4,079,598,788.22/52,497.80
  6. Step 6: Final answer
    x = 77,709.90

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