Finding the Fourth Proportional to 81,377.52, 112,297.50 and 45,561.48

Step by Step Solution

1. Step 1: Write the proportion equation
   81,377.52 : 112,297.50 = 45,561.48 : x
2. Step 2: Convert to fraction form
   81,377.52/112,297.50 = 45,561.48/x
3. Step 3: Cross multiply
   81,377.52x = 112,297.50 × 45,561.48
4. Step 4: Simplify right side
   81,377.52x = 5,116,440,300.30
5. Step 5: Solve for x
   x = 5,116,440,300.30/81,377.52
6. Step 6: Final answer
   x = 62,872.90