Finding the Fourth Proportional to 1,718.38, 2,371.32 and 932.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,718.38 : 2,371.32 = 932.42 : x
2. Step 2: Convert to fraction form
   1,718.38/2,371.32 = 932.42/x
3. Step 3: Cross multiply
   1,718.38x = 2,371.32 × 932.42
4. Step 4: Simplify right side
   1,718.38x = 2,211,066.19
5. Step 5: Solve for x
   x = 2,211,066.19/1,718.38
6. Step 6: Final answer
   x = 1,286.72