Finding the Fourth Proportional to 1,061.46, 1,463.94 and 712.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.46 : 1,463.94 = 712.08 : x
2. Step 2: Convert to fraction form
   1,061.46/1,463.94 = 712.08/x
3. Step 3: Cross multiply
   1,061.46x = 1,463.94 × 712.08
4. Step 4: Simplify right side
   1,061.46x = 1,042,442.40
5. Step 5: Solve for x
   x = 1,042,442.40/1,061.46
6. Step 6: Final answer
   x = 982.08