Finding the Fourth Proportional to 2,149.17, 3,224.04 and 1,053.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.17 : 3,224.04 = 1,053.57 : x
2. Step 2: Convert to fraction form
   2,149.17/3,224.04 = 1,053.57/x
3. Step 3: Cross multiply
   2,149.17x = 3,224.04 × 1,053.57
4. Step 4: Simplify right side
   2,149.17x = 3,396,751.82
5. Step 5: Solve for x
   x = 3,396,751.82/2,149.17
6. Step 6: Final answer
   x = 1,580.49