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Finding the Fourth Proportional to 52,364.40, 78,546.60 and 51,586.80

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Solution

The fourth proportional to 52,364.40, 78,546.60 and 51,586.80 is: 77,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,364.40 : 78,546.60 = 51,586.80 : x
  2. Step 2: Convert to fraction form
    52,364.40/78,546.60 = 51,586.80/x
  3. Step 3: Cross multiply
    52,364.40x = 78,546.60 × 51,586.80
  4. Step 4: Simplify right side
    52,364.40x = 4,051,967,744.88
  5. Step 5: Solve for x
    x = 4,051,967,744.88/52,364.40
  6. Step 6: Final answer
    x = 77,380.20

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