Finding the Fourth Proportional to 152,169.17, 209,922.71 and 98,471.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152,169.17 : 209,922.71 = 98,471.52 : x
2. Step 2: Convert to fraction form
   152,169.17/209,922.71 = 98,471.52/x
3. Step 3: Cross multiply
   152,169.17x = 209,922.71 × 98,471.52
4. Step 4: Simplify right side
   152,169.17x = 20,671,407,843.86
5. Step 5: Solve for x
   x = 20,671,407,843.86/152,169.17
6. Step 6: Final answer
   x = 135,844.92