Finding the Fourth Proportional to 81,414.35, 112,358.79 and 45,611.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,414.35 : 112,358.79 = 45,611.72 : x
2. Step 2: Convert to fraction form
   81,414.35/112,358.79 = 45,611.72/x
3. Step 3: Cross multiply
   81,414.35x = 112,358.79 × 45,611.72
4. Step 4: Simplify right side
   81,414.35x = 5,124,877,669.02
5. Step 5: Solve for x
   x = 5,124,877,669.02/81,414.35
6. Step 6: Final answer
   x = 62,948.09