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Finding the Fourth Proportional to 186,574.40, 279,779.04 and 53,424.32

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Solution

The fourth proportional to 186,574.40, 279,779.04 and 53,424.32 is: 80,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,574.40 : 279,779.04 = 53,424.32 : x
  2. Step 2: Convert to fraction form
    186,574.40/279,779.04 = 53,424.32/x
  3. Step 3: Cross multiply
    186,574.40x = 279,779.04 × 53,424.32
  4. Step 4: Simplify right side
    186,574.40x = 14,947,004,962.25
  5. Step 5: Solve for x
    x = 14,947,004,962.25/186,574.40
  6. Step 6: Final answer
    x = 80,112.84

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