Finding the Fourth Proportional to 72,085.12, 108,158.84 and 38,766.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,085.12 : 108,158.84 = 38,766.24 : x
2. Step 2: Convert to fraction form
   72,085.12/108,158.84 = 38,766.24/x
3. Step 3: Cross multiply
   72,085.12x = 108,158.84 × 38,766.24
4. Step 4: Simplify right side
   72,085.12x = 4,192,911,549.56
5. Step 5: Solve for x
   x = 4,192,911,549.56/72,085.12
6. Step 6: Final answer
   x = 58,166.12