Finding the Fourth Proportional to 5,476.89, 7,558.31 and 3,240.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,476.89 : 7,558.31 = 3,240.69 : x
2. Step 2: Convert to fraction form
   5,476.89/7,558.31 = 3,240.69/x
3. Step 3: Cross multiply
   5,476.89x = 7,558.31 × 3,240.69
4. Step 4: Simplify right side
   5,476.89x = 24,494,123.43
5. Step 5: Solve for x
   x = 24,494,123.43/5,476.89
6. Step 6: Final answer
   x = 4,472.27