Finding the Fourth Proportional to 1,146.46, 1,718.52 and 452.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.46 : 1,718.52 = 452.17 : x
2. Step 2: Convert to fraction form
   1,146.46/1,718.52 = 452.17/x
3. Step 3: Cross multiply
   1,146.46x = 1,718.52 × 452.17
4. Step 4: Simplify right side
   1,146.46x = 777,060.93
5. Step 5: Solve for x
   x = 777,060.93/1,146.46
6. Step 6: Final answer
   x = 677.79