Finding the Fourth Proportional to 2,168.96, 3,253.20 and 707.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.96 : 3,253.20 = 707.98 : x
2. Step 2: Convert to fraction form
   2,168.96/3,253.20 = 707.98/x
3. Step 3: Cross multiply
   2,168.96x = 3,253.20 × 707.98
4. Step 4: Simplify right side
   2,168.96x = 2,303,200.54
5. Step 5: Solve for x
   x = 2,303,200.54/2,168.96
6. Step 6: Final answer
   x = 1,061.89