Finding the Fourth Proportional to 72,449.56, 108,692.34 and 25,707.16

Step by Step Solution

1. Step 1: Write the proportion equation
   72,449.56 : 108,692.34 = 25,707.16 : x
2. Step 2: Convert to fraction form
   72,449.56/108,692.34 = 25,707.16/x
3. Step 3: Cross multiply
   72,449.56x = 108,692.34 × 25,707.16
4. Step 4: Simplify right side
   72,449.56x = 2,794,171,375.15
5. Step 5: Solve for x
   x = 2,794,171,375.15/72,449.56
6. Step 6: Final answer
   x = 38,567.13