Finding the Fourth Proportional to 78,763.83, 108,632.66 and 50,472.15

Step by Step Solution

1. Step 1: Write the proportion equation
   78,763.83 : 108,632.66 = 50,472.15 : x
2. Step 2: Convert to fraction form
   78,763.83/108,632.66 = 50,472.15/x
3. Step 3: Cross multiply
   78,763.83x = 108,632.66 × 50,472.15
4. Step 4: Simplify right side
   78,763.83x = 5,482,923,658.06
5. Step 5: Solve for x
   x = 5,482,923,658.06/78,763.83
6. Step 6: Final answer
   x = 69,612.20