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Finding the Fourth Proportional to 52,198.40, 78,295.84 and 12,755.68

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Solution

The fourth proportional to 52,198.40, 78,295.84 and 12,755.68 is: 19,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,198.40 : 78,295.84 = 12,755.68 : x
  2. Step 2: Convert to fraction form
    52,198.40/78,295.84 = 12,755.68/x
  3. Step 3: Cross multiply
    52,198.40x = 78,295.84 × 12,755.68
  4. Step 4: Simplify right side
    52,198.40x = 998,716,680.37
  5. Step 5: Solve for x
    x = 998,716,680.37/52,198.40
  6. Step 6: Final answer
    x = 19,133.09

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