Finding the Fourth Proportional to 2,978.69, 4,468.49 and 1,517.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.69 : 4,468.49 = 1,517.04 : x
2. Step 2: Convert to fraction form
   2,978.69/4,468.49 = 1,517.04/x
3. Step 3: Cross multiply
   2,978.69x = 4,468.49 × 1,517.04
4. Step 4: Simplify right side
   2,978.69x = 6,778,870.48
5. Step 5: Solve for x
   x = 6,778,870.48/2,978.69
6. Step 6: Final answer
   x = 2,275.79