Finding the Fourth Proportional to 25,757.57, 35,510.55 and 22,020.88

Step by Step Solution

1. Step 1: Write the proportion equation
   25,757.57 : 35,510.55 = 22,020.88 : x
2. Step 2: Convert to fraction form
   25,757.57/35,510.55 = 22,020.88/x
3. Step 3: Cross multiply
   25,757.57x = 35,510.55 × 22,020.88
4. Step 4: Simplify right side
   25,757.57x = 781,973,560.28
5. Step 5: Solve for x
   x = 781,973,560.28/25,757.57
6. Step 6: Final answer
   x = 30,358.98