Finding the Fourth Proportional to 25,685.46, 35,443.46 and 16,122.29

Step by Step Solution

1. Step 1: Write the proportion equation
   25,685.46 : 35,443.46 = 16,122.29 : x
2. Step 2: Convert to fraction form
   25,685.46/35,443.46 = 16,122.29/x
3. Step 3: Cross multiply
   25,685.46x = 35,443.46 × 16,122.29
4. Step 4: Simplify right side
   25,685.46x = 571,429,482.89
5. Step 5: Solve for x
   x = 571,429,482.89/25,685.46
6. Step 6: Final answer
   x = 22,247.20