Finding the Fourth Proportional to 1,061.69, 1,464.82 and 668.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.69 : 1,464.82 = 668.84 : x
2. Step 2: Convert to fraction form
   1,061.69/1,464.82 = 668.84/x
3. Step 3: Cross multiply
   1,061.69x = 1,464.82 × 668.84
4. Step 4: Simplify right side
   1,061.69x = 979,721.21
5. Step 5: Solve for x
   x = 979,721.21/1,061.69
6. Step 6: Final answer
   x = 922.80