Finding the Fourth Proportional to 5,348.18, 8,022.58 and 2,426.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,348.18 : 8,022.58 = 2,426.72 : x
2. Step 2: Convert to fraction form
   5,348.18/8,022.58 = 2,426.72/x
3. Step 3: Cross multiply
   5,348.18x = 8,022.58 × 2,426.72
4. Step 4: Simplify right side
   5,348.18x = 19,468,555.34
5. Step 5: Solve for x
   x = 19,468,555.34/5,348.18
6. Step 6: Final answer
   x = 3,640.22