Finding the Fourth Proportional to 112,949.08, 155,868.27 and 64,550.46

Step by Step Solution

1. Step 1: Write the proportion equation
   112,949.08 : 155,868.27 = 64,550.46 : x
2. Step 2: Convert to fraction form
   112,949.08/155,868.27 = 64,550.46/x
3. Step 3: Cross multiply
   112,949.08x = 155,868.27 × 64,550.46
4. Step 4: Simplify right side
   112,949.08x = 10,061,368,527.90
5. Step 5: Solve for x
   x = 10,061,368,527.90/112,949.08
6. Step 6: Final answer
   x = 89,078.80