Finding the Fourth Proportional to 2,658.18, 4,012.24 and 2,658.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.18 : 4,012.24 = 2,658.18 : x
2. Step 2: Convert to fraction form
   2,658.18/4,012.24 = 2,658.18/x
3. Step 3: Cross multiply
   2,658.18x = 4,012.24 × 2,658.18
4. Step 4: Simplify right side
   2,658.18x = 10,665,242.83
5. Step 5: Solve for x
   x = 10,665,242.83/2,658.18
6. Step 6: Final answer
   x = 4,012.24