Finding the Fourth Proportional to 5,454.41, 7,531.27 and 3,965.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,454.41 : 7,531.27 = 3,965.89 : x
2. Step 2: Convert to fraction form
   5,454.41/7,531.27 = 3,965.89/x
3. Step 3: Cross multiply
   5,454.41x = 7,531.27 × 3,965.89
4. Step 4: Simplify right side
   5,454.41x = 29,868,188.38
5. Step 5: Solve for x
   x = 29,868,188.38/5,454.41
6. Step 6: Final answer
   x = 5,475.97