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Finding the Fourth Proportional to 273,897.80, 410,846.70 and 86,928.20

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Solution

The fourth proportional to 273,897.80, 410,846.70 and 86,928.20 is: 130,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,897.80 : 410,846.70 = 86,928.20 : x
  2. Step 2: Convert to fraction form
    273,897.80/410,846.70 = 86,928.20/x
  3. Step 3: Cross multiply
    273,897.80x = 410,846.70 × 86,928.20
  4. Step 4: Simplify right side
    273,897.80x = 35,714,164,106.94
  5. Step 5: Solve for x
    x = 35,714,164,106.94/273,897.80
  6. Step 6: Final answer
    x = 130,392.30

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