Finding the Fourth Proportional to 2,149.10, 3,223.54 and 1,260.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.10 : 3,223.54 = 1,260.12 : x
2. Step 2: Convert to fraction form
   2,149.10/3,223.54 = 1,260.12/x
3. Step 3: Cross multiply
   2,149.10x = 3,223.54 × 1,260.12
4. Step 4: Simplify right side
   2,149.10x = 4,062,047.22
5. Step 5: Solve for x
   x = 4,062,047.22/2,149.10
6. Step 6: Final answer
   x = 1,890.12