Finding the Fourth Proportional to 2,158.90, 2,976.24 and 1,825.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.90 : 2,976.24 = 1,825.98 : x
2. Step 2: Convert to fraction form
   2,158.90/2,976.24 = 1,825.98/x
3. Step 3: Cross multiply
   2,158.90x = 2,976.24 × 1,825.98
4. Step 4: Simplify right side
   2,158.90x = 5,434,554.72
5. Step 5: Solve for x
   x = 5,434,554.72/2,158.90
6. Step 6: Final answer
   x = 2,517.28