Finding the Fourth Proportional to 81,752.72, 112,820.76 and 45,940.58

Step by Step Solution

1. Step 1: Write the proportion equation
   81,752.72 : 112,820.76 = 45,940.58 : x
2. Step 2: Convert to fraction form
   81,752.72/112,820.76 = 45,940.58/x
3. Step 3: Cross multiply
   81,752.72x = 112,820.76 × 45,940.58
4. Step 4: Simplify right side
   81,752.72x = 5,183,051,150.44
5. Step 5: Solve for x
   x = 5,183,051,150.44/81,752.72
6. Step 6: Final answer
   x = 63,399.13