Finding the Fourth Proportional to 2,102.76, 2,898.72 and 1,659.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102.76 : 2,898.72 = 1,659.96 : x
2. Step 2: Convert to fraction form
   2,102.76/2,898.72 = 1,659.96/x
3. Step 3: Cross multiply
   2,102.76x = 2,898.72 × 1,659.96
4. Step 4: Simplify right side
   2,102.76x = 4,811,759.25
5. Step 5: Solve for x
   x = 4,811,759.25/2,102.76
6. Step 6: Final answer
   x = 2,288.31