Finding the Fourth Proportional to 78,569.29, 108,350.24 and 52,786.09

Step by Step Solution

1. Step 1: Write the proportion equation
   78,569.29 : 108,350.24 = 52,786.09 : x
2. Step 2: Convert to fraction form
   78,569.29/108,350.24 = 52,786.09/x
3. Step 3: Cross multiply
   78,569.29x = 108,350.24 × 52,786.09
4. Step 4: Simplify right side
   78,569.29x = 5,719,385,520.16
5. Step 5: Solve for x
   x = 5,719,385,520.16/78,569.29
6. Step 6: Final answer
   x = 72,794.16