Finding the Fourth Proportional to 81,304.72, 112,196.85 and 45,007.52

Step by Step Solution

1. Step 1: Write the proportion equation
   81,304.72 : 112,196.85 = 45,007.52 : x
2. Step 2: Convert to fraction form
   81,304.72/112,196.85 = 45,007.52/x
3. Step 3: Cross multiply
   81,304.72x = 112,196.85 × 45,007.52
4. Step 4: Simplify right side
   81,304.72x = 5,049,702,250.80
5. Step 5: Solve for x
   x = 5,049,702,250.80/81,304.72
6. Step 6: Final answer
   x = 62,108.35