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Finding the Fourth Proportional to 352,054.80, 528,077.40 and 115,405.20

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Solution

The fourth proportional to 352,054.80, 528,077.40 and 115,405.20 is: 173,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,054.80 : 528,077.40 = 115,405.20 : x
  2. Step 2: Convert to fraction form
    352,054.80/528,077.40 = 115,405.20/x
  3. Step 3: Cross multiply
    352,054.80x = 528,077.40 × 115,405.20
  4. Step 4: Simplify right side
    352,054.80x = 60,942,877,962.48
  5. Step 5: Solve for x
    x = 60,942,877,962.48/352,054.80
  6. Step 6: Final answer
    x = 173,106.23

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