Finding the Fourth Proportional to 1,089.94, 1,502.82 and 932.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089.94 : 1,502.82 = 932.91 : x
2. Step 2: Convert to fraction form
   1,089.94/1,502.82 = 932.91/x
3. Step 3: Cross multiply
   1,089.94x = 1,502.82 × 932.91
4. Step 4: Simplify right side
   1,089.94x = 1,401,995.81
5. Step 5: Solve for x
   x = 1,401,995.81/1,089.94
6. Step 6: Final answer
   x = 1,286.31