Finding the Fourth Proportional to 2,007.18, 3,010.22 and 707.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.18 : 3,010.22 = 707.94 : x
2. Step 2: Convert to fraction form
   2,007.18/3,010.22 = 707.94/x
3. Step 3: Cross multiply
   2,007.18x = 3,010.22 × 707.94
4. Step 4: Simplify right side
   2,007.18x = 2,131,055.15
5. Step 5: Solve for x
   x = 2,131,055.15/2,007.18
6. Step 6: Final answer
   x = 1,061.72