Finding the Fourth Proportional to 81,605.52, 112,613.72 and 45,794.61

Step by Step Solution

1. Step 1: Write the proportion equation
   81,605.52 : 112,613.72 = 45,794.61 : x
2. Step 2: Convert to fraction form
   81,605.52/112,613.72 = 45,794.61/x
3. Step 3: Cross multiply
   81,605.52x = 112,613.72 × 45,794.61
4. Step 4: Simplify right side
   81,605.52x = 5,157,101,388.05
5. Step 5: Solve for x
   x = 5,157,101,388.05/81,605.52
6. Step 6: Final answer
   x = 63,195.50