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Finding the Fourth Proportional to 92,808.20, 128,075.40 and 50,366.74

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Solution

The fourth proportional to 92,808.20, 128,075.40 and 50,366.74 is: 69,506.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,808.20 : 128,075.40 = 50,366.74 : x
  2. Step 2: Convert to fraction form
    92,808.20/128,075.40 = 50,366.74/x
  3. Step 3: Cross multiply
    92,808.20x = 128,075.40 × 50,366.74
  4. Step 4: Simplify right side
    92,808.20x = 6,450,740,372.20
  5. Step 5: Solve for x
    x = 6,450,740,372.20/92,808.20
  6. Step 6: Final answer
    x = 69,506.15

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