Finding the Fourth Proportional to 1,434.83, 2,153.33 and 1,149.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.83 : 2,153.33 = 1,149.71 : x
2. Step 2: Convert to fraction form
   1,434.83/2,153.33 = 1,149.71/x
3. Step 3: Cross multiply
   1,434.83x = 2,153.33 × 1,149.71
4. Step 4: Simplify right side
   1,434.83x = 2,475,699.29
5. Step 5: Solve for x
   x = 2,475,699.29/1,434.83
6. Step 6: Final answer
   x = 1,725.43