Finding the Fourth Proportional to 81,127.98, 111,948.58 and 45,317.22

Step by Step Solution

1. Step 1: Write the proportion equation
   81,127.98 : 111,948.58 = 45,317.22 : x
2. Step 2: Convert to fraction form
   81,127.98/111,948.58 = 45,317.22/x
3. Step 3: Cross multiply
   81,127.98x = 111,948.58 × 45,317.22
4. Step 4: Simplify right side
   81,127.98x = 5,073,198,695.10
5. Step 5: Solve for x
   x = 5,073,198,695.10/81,127.98
6. Step 6: Final answer
   x = 62,533.28