Finding the Fourth Proportional to 12,597.88, 17,383.15 and 7,561

Step by Step Solution

1. Step 1: Write the proportion equation
   12,597.88 : 17,383.15 = 7,561 : x
2. Step 2: Convert to fraction form
   12,597.88/17,383.15 = 7,561/x
3. Step 3: Cross multiply
   12,597.88x = 17,383.15 × 7,561
4. Step 4: Simplify right side
   12,597.88x = 131,433,997.15
5. Step 5: Solve for x
   x = 131,433,997.15/12,597.88
6. Step 6: Final answer
   x = 10,433.03