Finding the Fourth Proportional to 2,149.43, 3,224.34 and 1,109.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149.43 : 3,224.34 = 1,109.93 : x
2. Step 2: Convert to fraction form
   2,149.43/3,224.34 = 1,109.93/x
3. Step 3: Cross multiply
   2,149.43x = 3,224.34 × 1,109.93
4. Step 4: Simplify right side
   2,149.43x = 3,578,775.57
5. Step 5: Solve for x
   x = 3,578,775.57/2,149.43
6. Step 6: Final answer
   x = 1,664.99