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Finding the Fourth Proportional to 295,199.60, 442,799.40 and 84,825.20

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Solution

The fourth proportional to 295,199.60, 442,799.40 and 84,825.20 is: 127,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,199.60 : 442,799.40 = 84,825.20 : x
  2. Step 2: Convert to fraction form
    295,199.60/442,799.40 = 84,825.20/x
  3. Step 3: Cross multiply
    295,199.60x = 442,799.40 × 84,825.20
  4. Step 4: Simplify right side
    295,199.60x = 37,560,547,664.88
  5. Step 5: Solve for x
    x = 37,560,547,664.88/295,199.60
  6. Step 6: Final answer
    x = 127,237.80

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