Finding the Fourth Proportional to 2,100.24, 2,898.27 and 1,261.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.24 : 2,898.27 = 1,261.44 : x
2. Step 2: Convert to fraction form
   2,100.24/2,898.27 = 1,261.44/x
3. Step 3: Cross multiply
   2,100.24x = 2,898.27 × 1,261.44
4. Step 4: Simplify right side
   2,100.24x = 3,655,993.71
5. Step 5: Solve for x
   x = 3,655,993.71/2,100.24
6. Step 6: Final answer
   x = 1,740.75