Finding the Fourth Proportional to 17,561.00, 26,341.52 and 7,172.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,561.00 : 26,341.52 = 7,172.75 : x
2. Step 2: Convert to fraction form
   17,561.00/26,341.52 = 7,172.75/x
3. Step 3: Cross multiply
   17,561.00x = 26,341.52 × 7,172.75
4. Step 4: Simplify right side
   17,561.00x = 188,940,970.01
5. Step 5: Solve for x
   x = 188,940,970.01/17,561.00
6. Step 6: Final answer
   x = 10,759.13