Finding the Fourth Proportional to 2,622.86, 3,618.92 and 1,488.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.86 : 3,618.92 = 1,488.47 : x
2. Step 2: Convert to fraction form
   2,622.86/3,618.92 = 1,488.47/x
3. Step 3: Cross multiply
   2,622.86x = 3,618.92 × 1,488.47
4. Step 4: Simplify right side
   2,622.86x = 5,386,639.48
5. Step 5: Solve for x
   x = 5,386,639.48/2,622.86
6. Step 6: Final answer
   x = 2,053.73