Finding the Fourth Proportional to 1,434.38, 1,978.58 and 937.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.38 : 1,978.58 = 937.24 : x
2. Step 2: Convert to fraction form
   1,434.38/1,978.58 = 937.24/x
3. Step 3: Cross multiply
   1,434.38x = 1,978.58 × 937.24
4. Step 4: Simplify right side
   1,434.38x = 1,854,401.72
5. Step 5: Solve for x
   x = 1,854,401.72/1,434.38
6. Step 6: Final answer
   x = 1,292.83