Finding the Fourth Proportional to 123,588.56, 170,387.28 and 98,179.27

Step by Step Solution

1. Step 1: Write the proportion equation
   123,588.56 : 170,387.28 = 98,179.27 : x
2. Step 2: Convert to fraction form
   123,588.56/170,387.28 = 98,179.27/x
3. Step 3: Cross multiply
   123,588.56x = 170,387.28 × 98,179.27
4. Step 4: Simplify right side
   123,588.56x = 16,728,498,341.72
5. Step 5: Solve for x
   x = 16,728,498,341.72/123,588.56
6. Step 6: Final answer
   x = 135,356.36