Finding the Fourth Proportional to 78,520.50, 108,341.17 and 44,521.31

Step by Step Solution

1. Step 1: Write the proportion equation
   78,520.50 : 108,341.17 = 44,521.31 : x
2. Step 2: Convert to fraction form
   78,520.50/108,341.17 = 44,521.31/x
3. Step 3: Cross multiply
   78,520.50x = 108,341.17 × 44,521.31
4. Step 4: Simplify right side
   78,520.50x = 4,823,490,815.33
5. Step 5: Solve for x
   x = 4,823,490,815.33/78,520.50
6. Step 6: Final answer
   x = 61,429.70