Finding the Fourth Proportional to 9,414.24, 12,992.24 and 5,436.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,414.24 : 12,992.24 = 5,436.08 : x
2. Step 2: Convert to fraction form
   9,414.24/12,992.24 = 5,436.08/x
3. Step 3: Cross multiply
   9,414.24x = 12,992.24 × 5,436.08
4. Step 4: Simplify right side
   9,414.24x = 70,626,856.02
5. Step 5: Solve for x
   x = 70,626,856.02/9,414.24
6. Step 6: Final answer
   x = 7,502.13