Finding the Fourth Proportional to 1,160.38, 1,601.12 and 662.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,160.38 : 1,601.12 = 662.92 : x
2. Step 2: Convert to fraction form
   1,160.38/1,601.12 = 662.92/x
3. Step 3: Cross multiply
   1,160.38x = 1,601.12 × 662.92
4. Step 4: Simplify right side
   1,160.38x = 1,061,411.16
5. Step 5: Solve for x
   x = 1,061,411.16/1,160.38
6. Step 6: Final answer
   x = 914.71