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Finding the Fourth Proportional to 236,028.75, 325,715.57 and 128,599.56

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Solution

The fourth proportional to 236,028.75, 325,715.57 and 128,599.56 is: 177,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,028.75 : 325,715.57 = 128,599.56 : x
  2. Step 2: Convert to fraction form
    236,028.75/325,715.57 = 128,599.56/x
  3. Step 3: Cross multiply
    236,028.75x = 325,715.57 × 128,599.56
  4. Step 4: Simplify right side
    236,028.75x = 41,886,878,987.15
  5. Step 5: Solve for x
    x = 41,886,878,987.15/236,028.75
  6. Step 6: Final answer
    x = 177,465.16

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