Finding the Fourth Proportional to 158,498.52, 218,750.39 and 98,088.62

Step by Step Solution

1. Step 1: Write the proportion equation
   158,498.52 : 218,750.39 = 98,088.62 : x
2. Step 2: Convert to fraction form
   158,498.52/218,750.39 = 98,088.62/x
3. Step 3: Cross multiply
   158,498.52x = 218,750.39 × 98,088.62
4. Step 4: Simplify right side
   158,498.52x = 21,456,923,879.56
5. Step 5: Solve for x
   x = 21,456,923,879.56/158,498.52
6. Step 6: Final answer
   x = 135,376.18