Finding the Fourth Proportional to 81,962.87, 113,105.72 and 45,663.47

Step by Step Solution

1. Step 1: Write the proportion equation
   81,962.87 : 113,105.72 = 45,663.47 : x
2. Step 2: Convert to fraction form
   81,962.87/113,105.72 = 45,663.47/x
3. Step 3: Cross multiply
   81,962.87x = 113,105.72 × 45,663.47
4. Step 4: Simplify right side
   81,962.87x = 5,164,799,200.68
5. Step 5: Solve for x
   x = 5,164,799,200.68/81,962.87
6. Step 6: Final answer
   x = 63,013.89