Finding the Fourth Proportional to 152,081.76, 209,874.19 and 84,103.31

Step by Step Solution

1. Step 1: Write the proportion equation
   152,081.76 : 209,874.19 = 84,103.31 : x
2. Step 2: Convert to fraction form
   152,081.76/209,874.19 = 84,103.31/x
3. Step 3: Cross multiply
   152,081.76x = 209,874.19 × 84,103.31
4. Step 4: Simplify right side
   152,081.76x = 17,651,114,062.57
5. Step 5: Solve for x
   x = 17,651,114,062.57/152,081.76
6. Step 6: Final answer
   x = 116,063.32