Finding the Fourth Proportional to 81,500.56, 112,470.69 and 45,690.58

Step by Step Solution

1. Step 1: Write the proportion equation
   81,500.56 : 112,470.69 = 45,690.58 : x
2. Step 2: Convert to fraction form
   81,500.56/112,470.69 = 45,690.58/x
3. Step 3: Cross multiply
   81,500.56x = 112,470.69 × 45,690.58
4. Step 4: Simplify right side
   81,500.56x = 5,138,850,738.38
5. Step 5: Solve for x
   x = 5,138,850,738.38/81,500.56
6. Step 6: Final answer
   x = 63,052.95