Finding the Fourth Proportional to 81,514.80, 112,495.80 and 45,707.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,514.80 : 112,495.80 = 45,707.10 : x
2. Step 2: Convert to fraction form
   81,514.80/112,495.80 = 45,707.10/x
3. Step 3: Cross multiply
   81,514.80x = 112,495.80 × 45,707.10
4. Step 4: Simplify right side
   81,514.80x = 5,141,856,780.18
5. Step 5: Solve for x
   x = 5,141,856,780.18/81,514.80
6. Step 6: Final answer
   x = 63,078.81