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Finding the Fourth Proportional to 59,311.86, 88,954.89 and 18,788.58

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Solution

The fourth proportional to 59,311.86, 88,954.89 and 18,788.58 is: 28,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,311.86 : 88,954.89 = 18,788.58 : x
  2. Step 2: Convert to fraction form
    59,311.86/88,954.89 = 18,788.58/x
  3. Step 3: Cross multiply
    59,311.86x = 88,954.89 × 18,788.58
  4. Step 4: Simplify right side
    59,311.86x = 1,671,336,067.16
  5. Step 5: Solve for x
    x = 1,671,336,067.16/59,311.86
  6. Step 6: Final answer
    x = 28,178.78

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