Finding the Fourth Proportional to 139,061,479.32, 191,928,591.18 and 80,313,585.48

Step by Step Solution

1. Step 1: Write the proportion equation
   139,061,479.32 : 191,928,591.18 = 80,313,585.48 : x
2. Step 2: Convert to fraction form
   139,061,479.32/191,928,591.18 = 80,313,585.48/x
3. Step 3: Cross multiply
   139,061,479.32x = 191,928,591.18 × 80,313,585.48
4. Step 4: Simplify right side
   139,061,479.32x = 15,414,473,313,790,906
5. Step 5: Solve for x
   x = 15,414,473,313,790,906/139,061,479.32
6. Step 6: Final answer
   x = 110,846,464.38