Finding the Fourth Proportional to 11,292.40, 15,567.18 and 7,924.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,292.40 : 15,567.18 = 7,924.72 : x
2. Step 2: Convert to fraction form
   11,292.40/15,567.18 = 7,924.72/x
3. Step 3: Cross multiply
   11,292.40x = 15,567.18 × 7,924.72
4. Step 4: Simplify right side
   11,292.40x = 123,365,542.69
5. Step 5: Solve for x
   x = 123,365,542.69/11,292.40
6. Step 6: Final answer
   x = 10,924.65