Finding the Fourth Proportional to 81,500.80, 112,471.03 and 45,690.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,500.80 : 112,471.03 = 45,690.82 : x
2. Step 2: Convert to fraction form
   81,500.80/112,471.03 = 45,690.82/x
3. Step 3: Cross multiply
   81,500.80x = 112,471.03 × 45,690.82
4. Step 4: Simplify right side
   81,500.80x = 5,138,893,933.75
5. Step 5: Solve for x
   x = 5,138,893,933.75/81,500.80
6. Step 6: Final answer
   x = 63,053.29