Finding the Fourth Proportional to 5,538.57, 8,308.69 and 1,789.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,538.57 : 8,308.69 = 1,789.10 : x
2. Step 2: Convert to fraction form
   5,538.57/8,308.69 = 1,789.10/x
3. Step 3: Cross multiply
   5,538.57x = 8,308.69 × 1,789.10
4. Step 4: Simplify right side
   5,538.57x = 14,865,077.28
5. Step 5: Solve for x
   x = 14,865,077.28/5,538.57
6. Step 6: Final answer
   x = 2,683.92