Finding the Fourth Proportional to 1,049.72, 1,446.89 and 924.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049.72 : 1,446.89 = 924.57 : x
2. Step 2: Convert to fraction form
   1,049.72/1,446.89 = 924.57/x
3. Step 3: Cross multiply
   1,049.72x = 1,446.89 × 924.57
4. Step 4: Simplify right side
   1,049.72x = 1,337,746.46
5. Step 5: Solve for x
   x = 1,337,746.46/1,049.72
6. Step 6: Final answer
   x = 1,274.39