Finding the Fourth Proportional to 1,434.84, 2,151.90 and 1,049.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.84 : 2,151.90 = 1,049.38 : x
2. Step 2: Convert to fraction form
   1,434.84/2,151.90 = 1,049.38/x
3. Step 3: Cross multiply
   1,434.84x = 2,151.90 × 1,049.38
4. Step 4: Simplify right side
   1,434.84x = 2,258,160.82
5. Step 5: Solve for x
   x = 2,258,160.82/1,434.84
6. Step 6: Final answer
   x = 1,573.81