Finding the Fourth Proportional to 5,494.02, 8,243.39 and 3,645.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,494.02 : 8,243.39 = 3,645.78 : x
2. Step 2: Convert to fraction form
   5,494.02/8,243.39 = 3,645.78/x
3. Step 3: Cross multiply
   5,494.02x = 8,243.39 × 3,645.78
4. Step 4: Simplify right side
   5,494.02x = 30,053,586.39
5. Step 5: Solve for x
   x = 30,053,586.39/5,494.02
6. Step 6: Final answer
   x = 5,470.24