Finding the Fourth Proportional to 134,861,411.92, 186,109,211.88 and 72,981,734.32

Step by Step Solution

1. Step 1: Write the proportion equation
   134,861,411.92 : 186,109,211.88 = 72,981,734.32 : x
2. Step 2: Convert to fraction form
   134,861,411.92/186,109,211.88 = 72,981,734.32/x
3. Step 3: Cross multiply
   134,861,411.92x = 186,109,211.88 × 72,981,734.32
4. Step 4: Simplify right side
   134,861,411.92x = 13,582,573,055,930,746
5. Step 5: Solve for x
   x = 13,582,573,055,930,746/134,861,411.92
6. Step 6: Final answer
   x = 100,715,044.15