Finding the Fourth Proportional to 8,904.72, 12,292.46 and 5,320.95

Step by Step Solution

1. Step 1: Write the proportion equation
   8,904.72 : 12,292.46 = 5,320.95 : x
2. Step 2: Convert to fraction form
   8,904.72/12,292.46 = 5,320.95/x
3. Step 3: Cross multiply
   8,904.72x = 12,292.46 × 5,320.95
4. Step 4: Simplify right side
   8,904.72x = 65,407,565.04
5. Step 5: Solve for x
   x = 65,407,565.04/8,904.72
6. Step 6: Final answer
   x = 7,345.27