Finding the Fourth Proportional to 2,158.02, 2,978.19 and 1,633.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.02 : 2,978.19 = 1,633.14 : x
2. Step 2: Convert to fraction form
   2,158.02/2,978.19 = 1,633.14/x
3. Step 3: Cross multiply
   2,158.02x = 2,978.19 × 1,633.14
4. Step 4: Simplify right side
   2,158.02x = 4,863,801.22
5. Step 5: Solve for x
   x = 4,863,801.22/2,158.02
6. Step 6: Final answer
   x = 2,253.83