Finding the Fourth Proportional to 152,311.50, 210,160.71 and 98,589.06

Step by Step Solution

1. Step 1: Write the proportion equation
   152,311.50 : 210,160.71 = 98,589.06 : x
2. Step 2: Convert to fraction form
   152,311.50/210,160.71 = 98,589.06/x
3. Step 3: Cross multiply
   152,311.50x = 210,160.71 × 98,589.06
4. Step 4: Simplify right side
   152,311.50x = 20,719,546,847.83
5. Step 5: Solve for x
   x = 20,719,546,847.83/152,311.50
6. Step 6: Final answer
   x = 136,034.03