Finding the Fourth Proportional to 54,685.46, 81,964.20 and 25,106.15

Step by Step Solution

1. Step 1: Write the proportion equation
   54,685.46 : 81,964.20 = 25,106.15 : x
2. Step 2: Convert to fraction form
   54,685.46/81,964.20 = 25,106.15/x
3. Step 3: Cross multiply
   54,685.46x = 81,964.20 × 25,106.15
4. Step 4: Simplify right side
   54,685.46x = 2,057,805,499.83
5. Step 5: Solve for x
   x = 2,057,805,499.83/54,685.46
6. Step 6: Final answer
   x = 37,629.85