Finding the Fourth Proportional to 2,168.25, 3,252.42 and 707.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.25 : 3,252.42 = 707.55 : x
2. Step 2: Convert to fraction form
   2,168.25/3,252.42 = 707.55/x
3. Step 3: Cross multiply
   2,168.25x = 3,252.42 × 707.55
4. Step 4: Simplify right side
   2,168.25x = 2,301,249.77
5. Step 5: Solve for x
   x = 2,301,249.77/2,168.25
6. Step 6: Final answer
   x = 1,061.34