Finding the Fourth Proportional to 152,002.68, 209,712.56 and 98,355.57

Step by Step Solution

1. Step 1: Write the proportion equation
   152,002.68 : 209,712.56 = 98,355.57 : x
2. Step 2: Convert to fraction form
   152,002.68/209,712.56 = 98,355.57/x
3. Step 3: Cross multiply
   152,002.68x = 209,712.56 × 98,355.57
4. Step 4: Simplify right side
   152,002.68x = 20,626,397,883.18
5. Step 5: Solve for x
   x = 20,626,397,883.18/152,002.68
6. Step 6: Final answer
   x = 135,697.59