Finding the Fourth Proportional to 8,910.72, 13,363.04 and 3,713.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,910.72 : 13,363.04 = 3,713.92 : x
2. Step 2: Convert to fraction form
   8,910.72/13,363.04 = 3,713.92/x
3. Step 3: Cross multiply
   8,910.72x = 13,363.04 × 3,713.92
4. Step 4: Simplify right side
   8,910.72x = 49,629,261.52
5. Step 5: Solve for x
   x = 49,629,261.52/8,910.72
6. Step 6: Final answer
   x = 5,569.61