Finding the Fourth Proportional to 11,561.20, 15,950.16 and 7,584.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,561.20 : 15,950.16 = 7,584.52 : x
2. Step 2: Convert to fraction form
   11,561.20/15,950.16 = 7,584.52/x
3. Step 3: Cross multiply
   11,561.20x = 15,950.16 × 7,584.52
4. Step 4: Simplify right side
   11,561.20x = 120,974,307.52
5. Step 5: Solve for x
   x = 120,974,307.52/11,561.20
6. Step 6: Final answer
   x = 10,463.82