Finding the Fourth Proportional to 25,088.72, 34,626.84 and 17,128.04

Step by Step Solution

1. Step 1: Write the proportion equation
   25,088.72 : 34,626.84 = 17,128.04 : x
2. Step 2: Convert to fraction form
   25,088.72/34,626.84 = 17,128.04/x
3. Step 3: Cross multiply
   25,088.72x = 34,626.84 × 17,128.04
4. Step 4: Simplify right side
   25,088.72x = 593,089,900.59
5. Step 5: Solve for x
   x = 593,089,900.59/25,088.72
6. Step 6: Final answer
   x = 23,639.70