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Finding the Fourth Proportional to 371,405.79, 556,899.57 and 118,626.89

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Solution

The fourth proportional to 371,405.79, 556,899.57 and 118,626.89 is: 177,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,405.79 : 556,899.57 = 118,626.89 : x
  2. Step 2: Convert to fraction form
    371,405.79/556,899.57 = 118,626.89/x
  3. Step 3: Cross multiply
    371,405.79x = 556,899.57 × 118,626.89
  4. Step 4: Simplify right side
    371,405.79x = 66,063,261,246.94
  5. Step 5: Solve for x
    x = 66,063,261,246.94/371,405.79
  6. Step 6: Final answer
    x = 177,873.54

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