Finding the Fourth Proportional to 2,148.72, 2,962.04 and 1,517.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.72 : 2,962.04 = 1,517.18 : x
2. Step 2: Convert to fraction form
   2,148.72/2,962.04 = 1,517.18/x
3. Step 3: Cross multiply
   2,148.72x = 2,962.04 × 1,517.18
4. Step 4: Simplify right side
   2,148.72x = 4,493,947.85
5. Step 5: Solve for x
   x = 4,493,947.85/2,148.72
6. Step 6: Final answer
   x = 2,091.45