Finding the Fourth Proportional to 2,168.35, 3,252.18 and 707.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.35 : 3,252.18 = 707.49 : x
2. Step 2: Convert to fraction form
   2,168.35/3,252.18 = 707.49/x
3. Step 3: Cross multiply
   2,168.35x = 3,252.18 × 707.49
4. Step 4: Simplify right side
   2,168.35x = 2,300,884.83
5. Step 5: Solve for x
   x = 2,300,884.83/2,168.35
6. Step 6: Final answer
   x = 1,061.12