Finding the Fourth Proportional to 9,641.77, 13,304.32 and 5,392.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,641.77 : 13,304.32 = 5,392.61 : x
2. Step 2: Convert to fraction form
   9,641.77/13,304.32 = 5,392.61/x
3. Step 3: Cross multiply
   9,641.77x = 13,304.32 × 5,392.61
4. Step 4: Simplify right side
   9,641.77x = 71,745,053.80
5. Step 5: Solve for x
   x = 71,745,053.80/9,641.77
6. Step 6: Final answer
   x = 7,441.06