Finding the Fourth Proportional to 1,349.72, 1,863.12 and 932.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,349.72 : 1,863.12 = 932.24 : x
2. Step 2: Convert to fraction form
   1,349.72/1,863.12 = 932.24/x
3. Step 3: Cross multiply
   1,349.72x = 1,863.12 × 932.24
4. Step 4: Simplify right side
   1,349.72x = 1,736,874.99
5. Step 5: Solve for x
   x = 1,736,874.99/1,349.72
6. Step 6: Final answer
   x = 1,286.84