Finding the Fourth Proportional to 3,658.46, 5,048.75 and 2,165.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,658.46 : 5,048.75 = 2,165.82 : x
2. Step 2: Convert to fraction form
   3,658.46/5,048.75 = 2,165.82/x
3. Step 3: Cross multiply
   3,658.46x = 5,048.75 × 2,165.82
4. Step 4: Simplify right side
   3,658.46x = 10,934,672.90
5. Step 5: Solve for x
   x = 10,934,672.90/3,658.46
6. Step 6: Final answer
   x = 2,988.88