Finding the Fourth Proportional to 2,158.17, 2,974.85 and 1,633.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.17 : 2,974.85 = 1,633.29 : x
2. Step 2: Convert to fraction form
   2,158.17/2,974.85 = 1,633.29/x
3. Step 3: Cross multiply
   2,158.17x = 2,974.85 × 1,633.29
4. Step 4: Simplify right side
   2,158.17x = 4,858,784.59
5. Step 5: Solve for x
   x = 4,858,784.59/2,158.17
6. Step 6: Final answer
   x = 2,251.34