Finding the Fourth Proportional to 2,100.96, 2,898.48 and 1,271.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.96 : 2,898.48 = 1,271.52 : x
2. Step 2: Convert to fraction form
   2,100.96/2,898.48 = 1,271.52/x
3. Step 3: Cross multiply
   2,100.96x = 2,898.48 × 1,271.52
4. Step 4: Simplify right side
   2,100.96x = 3,685,475.29
5. Step 5: Solve for x
   x = 3,685,475.29/2,100.96
6. Step 6: Final answer
   x = 1,754.19