Finding the Fourth Proportional to 89,128.43, 133,714.57 and 25,949.10

Step by Step Solution

1. Step 1: Write the proportion equation
   89,128.43 : 133,714.57 = 25,949.10 : x
2. Step 2: Convert to fraction form
   89,128.43/133,714.57 = 25,949.10/x
3. Step 3: Cross multiply
   89,128.43x = 133,714.57 × 25,949.10
4. Step 4: Simplify right side
   89,128.43x = 3,469,772,748.39
5. Step 5: Solve for x
   x = 3,469,772,748.39/89,128.43
6. Step 6: Final answer
   x = 38,930.03