Finding the Fourth Proportional to 1,433.68, 1,979.34 and 937.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.68 : 1,979.34 = 937.15 : x
2. Step 2: Convert to fraction form
   1,433.68/1,979.34 = 937.15/x
3. Step 3: Cross multiply
   1,433.68x = 1,979.34 × 937.15
4. Step 4: Simplify right side
   1,433.68x = 1,854,923.90
5. Step 5: Solve for x
   x = 1,854,923.90/1,433.68
6. Step 6: Final answer
   x = 1,293.82