Finding the Fourth Proportional to 17,561.97, 26,344.67 and 5,081.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,561.97 : 26,344.67 = 5,081.72 : x
2. Step 2: Convert to fraction form
   17,561.97/26,344.67 = 5,081.72/x
3. Step 3: Cross multiply
   17,561.97x = 26,344.67 × 5,081.72
4. Step 4: Simplify right side
   17,561.97x = 133,876,079.30
5. Step 5: Solve for x
   x = 133,876,079.30/17,561.97
6. Step 6: Final answer
   x = 7,623.07