Finding the Fourth Proportional to 152,340.88, 210,117.12 and 98,584.42

Step by Step Solution

1. Step 1: Write the proportion equation
   152,340.88 : 210,117.12 = 98,584.42 : x
2. Step 2: Convert to fraction form
   152,340.88/210,117.12 = 98,584.42/x
3. Step 3: Cross multiply
   152,340.88x = 210,117.12 × 98,584.42
4. Step 4: Simplify right side
   152,340.88x = 20,714,274,407.27
5. Step 5: Solve for x
   x = 20,714,274,407.27/152,340.88
6. Step 6: Final answer
   x = 135,973.18