Finding the Fourth Proportional to 80,465.02, 111,025.56 and 48,635.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,465.02 : 111,025.56 = 48,635.72 : x
2. Step 2: Convert to fraction form
   80,465.02/111,025.56 = 48,635.72/x
3. Step 3: Cross multiply
   80,465.02x = 111,025.56 × 48,635.72
4. Step 4: Simplify right side
   80,465.02x = 5,399,808,049.00
5. Step 5: Solve for x
   x = 5,399,808,049.00/80,465.02
6. Step 6: Final answer
   x = 67,107.52