Finding the Fourth Proportional to 1,061.16, 1,464.92 and 707.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.16 : 1,464.92 = 707.68 : x
2. Step 2: Convert to fraction form
   1,061.16/1,464.92 = 707.68/x
3. Step 3: Cross multiply
   1,061.16x = 1,464.92 × 707.68
4. Step 4: Simplify right side
   1,061.16x = 1,036,694.59
5. Step 5: Solve for x
   x = 1,036,694.59/1,061.16
6. Step 6: Final answer
   x = 976.94