Finding the Fourth Proportional to 2,158.24, 2,976.24 and 1,372

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.24 : 2,976.24 = 1,372 : x
2. Step 2: Convert to fraction form
   2,158.24/2,976.24 = 1,372/x
3. Step 3: Cross multiply
   2,158.24x = 2,976.24 × 1,372
4. Step 4: Simplify right side
   2,158.24x = 4,083,401.28
5. Step 5: Solve for x
   x = 4,083,401.28/2,158.24
6. Step 6: Final answer
   x = 1,892.01