Finding the Fourth Proportional to 1,141.72, 1,574.34 and 932.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.72 : 1,574.34 = 932.74 : x
2. Step 2: Convert to fraction form
   1,141.72/1,574.34 = 932.74/x
3. Step 3: Cross multiply
   1,141.72x = 1,574.34 × 932.74
4. Step 4: Simplify right side
   1,141.72x = 1,468,449.89
5. Step 5: Solve for x
   x = 1,468,449.89/1,141.72
6. Step 6: Final answer
   x = 1,286.17