Finding the Fourth Proportional to 1,434.56, 2,149.49 and 885.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.56 : 2,149.49 = 885.18 : x
2. Step 2: Convert to fraction form
   1,434.56/2,149.49 = 885.18/x
3. Step 3: Cross multiply
   1,434.56x = 2,149.49 × 885.18
4. Step 4: Simplify right side
   1,434.56x = 1,902,685.56
5. Step 5: Solve for x
   x = 1,902,685.56/1,434.56
6. Step 6: Final answer
   x = 1,326.32