Finding the Fourth Proportional to 2,168.52, 2,992.68 and 1,382.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.52 : 2,992.68 = 1,382.76 : x
2. Step 2: Convert to fraction form
   2,168.52/2,992.68 = 1,382.76/x
3. Step 3: Cross multiply
   2,168.52x = 2,992.68 × 1,382.76
4. Step 4: Simplify right side
   2,168.52x = 4,138,158.20
5. Step 5: Solve for x
   x = 4,138,158.20/2,168.52
6. Step 6: Final answer
   x = 1,908.29