Finding the Fourth Proportional to 17,080.88, 25,624.04 and 7,220.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,080.88 : 25,624.04 = 7,220.25 : x
2. Step 2: Convert to fraction form
   17,080.88/25,624.04 = 7,220.25/x
3. Step 3: Cross multiply
   17,080.88x = 25,624.04 × 7,220.25
4. Step 4: Simplify right side
   17,080.88x = 185,011,938.71
5. Step 5: Solve for x
   x = 185,011,938.71/17,080.88
6. Step 6: Final answer
   x = 10,831.53