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Finding the Fourth Proportional to 92,890.64, 128,196.99 and 52,611.57

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Solution

The fourth proportional to 92,890.64, 128,196.99 and 52,611.57 is: 72,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,890.64 : 128,196.99 = 52,611.57 : x
  2. Step 2: Convert to fraction form
    92,890.64/128,196.99 = 52,611.57/x
  3. Step 3: Cross multiply
    92,890.64x = 128,196.99 × 52,611.57
  4. Step 4: Simplify right side
    92,890.64x = 6,744,644,009.13
  5. Step 5: Solve for x
    x = 6,744,644,009.13/92,890.64
  6. Step 6: Final answer
    x = 72,608.44

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