Finding the Fourth Proportional to 5,538.59, 7,643.17 and 3,020.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,538.59 : 7,643.17 = 3,020.82 : x
2. Step 2: Convert to fraction form
   5,538.59/7,643.17 = 3,020.82/x
3. Step 3: Cross multiply
   5,538.59x = 7,643.17 × 3,020.82
4. Step 4: Simplify right side
   5,538.59x = 23,088,640.80
5. Step 5: Solve for x
   x = 23,088,640.80/5,538.59
6. Step 6: Final answer
   x = 4,168.69