Finding the Fourth Proportional to 80,892.55, 111,632.10 and 46,921.15

Step by Step Solution

1. Step 1: Write the proportion equation
   80,892.55 : 111,632.10 = 46,921.15 : x
2. Step 2: Convert to fraction form
   80,892.55/111,632.10 = 46,921.15/x
3. Step 3: Cross multiply
   80,892.55x = 111,632.10 × 46,921.15
4. Step 4: Simplify right side
   80,892.55x = 5,237,906,472.50
5. Step 5: Solve for x
   x = 5,237,906,472.50/80,892.55
6. Step 6: Final answer
   x = 64,751.41