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Finding the Fourth Proportional to 263,518.80, 395,537.40 and 130,549.20

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Solution

The fourth proportional to 263,518.80, 395,537.40 and 130,549.20 is: 195,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,518.80 : 395,537.40 = 130,549.20 : x
  2. Step 2: Convert to fraction form
    263,518.80/395,537.40 = 130,549.20/x
  3. Step 3: Cross multiply
    263,518.80x = 395,537.40 × 130,549.20
  4. Step 4: Simplify right side
    263,518.80x = 51,637,091,140.08
  5. Step 5: Solve for x
    x = 51,637,091,140.08/263,518.80
  6. Step 6: Final answer
    x = 195,952.21

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