Finding the Fourth Proportional to 81,468.91, 112,425.37 and 45,658.15

Step by Step Solution

1. Step 1: Write the proportion equation
   81,468.91 : 112,425.37 = 45,658.15 : x
2. Step 2: Convert to fraction form
   81,468.91/112,425.37 = 45,658.15/x
3. Step 3: Cross multiply
   81,468.91x = 112,425.37 × 45,658.15
4. Step 4: Simplify right side
   81,468.91x = 5,133,134,012.06
5. Step 5: Solve for x
   x = 5,133,134,012.06/81,468.91
6. Step 6: Final answer
   x = 63,007.28