Finding the Fourth Proportional to 25,870.88, 35,700.81 and 14,540.87

Step by Step Solution

1. Step 1: Write the proportion equation
   25,870.88 : 35,700.81 = 14,540.87 : x
2. Step 2: Convert to fraction form
   25,870.88/35,700.81 = 14,540.87/x
3. Step 3: Cross multiply
   25,870.88x = 35,700.81 × 14,540.87
4. Step 4: Simplify right side
   25,870.88x = 519,120,871.83
5. Step 5: Solve for x
   x = 519,120,871.83/25,870.88
6. Step 6: Final answer
   x = 20,065.84