Finding the Fourth Proportional to 2,658.68, 3,669.18 and 1,479.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.68 : 3,669.18 = 1,479.86 : x
2. Step 2: Convert to fraction form
   2,658.68/3,669.18 = 1,479.86/x
3. Step 3: Cross multiply
   2,658.68x = 3,669.18 × 1,479.86
4. Step 4: Simplify right side
   2,658.68x = 5,429,872.71
5. Step 5: Solve for x
   x = 5,429,872.71/2,658.68
6. Step 6: Final answer
   x = 2,042.32