Finding the Fourth Proportional to 2,157.89, 2,976.76 and 1,633.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157.89 : 2,976.76 = 1,633.01 : x
2. Step 2: Convert to fraction form
   2,157.89/2,976.76 = 1,633.01/x
3. Step 3: Cross multiply
   2,157.89x = 2,976.76 × 1,633.01
4. Step 4: Simplify right side
   2,157.89x = 4,861,078.85
5. Step 5: Solve for x
   x = 4,861,078.85/2,157.89
6. Step 6: Final answer
   x = 2,252.70