Finding the Fourth Proportional to 72,697.66, 109,061.12 and 25,949.32

Step by Step Solution

1. Step 1: Write the proportion equation
   72,697.66 : 109,061.12 = 25,949.32 : x
2. Step 2: Convert to fraction form
   72,697.66/109,061.12 = 25,949.32/x
3. Step 3: Cross multiply
   72,697.66x = 109,061.12 × 25,949.32
4. Step 4: Simplify right side
   72,697.66x = 2,830,061,902.44
5. Step 5: Solve for x
   x = 2,830,061,902.44/72,697.66
6. Step 6: Final answer
   x = 38,929.20