Finding the Fourth Proportional to 89,131.50, 133,725.84 and 25,955.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,131.50 : 133,725.84 = 25,955.42 : x
2. Step 2: Convert to fraction form
   89,131.50/133,725.84 = 25,955.42/x
3. Step 3: Cross multiply
   89,131.50x = 133,725.84 × 25,955.42
4. Step 4: Simplify right side
   89,131.50x = 3,470,909,673.42
5. Step 5: Solve for x
   x = 3,470,909,673.42/89,131.50
6. Step 6: Final answer
   x = 38,941.45