Finding the Fourth Proportional to 2,168.82, 3,253.50 and 707.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.82 : 3,253.50 = 707.58 : x
2. Step 2: Convert to fraction form
   2,168.82/3,253.50 = 707.58/x
3. Step 3: Cross multiply
   2,168.82x = 3,253.50 × 707.58
4. Step 4: Simplify right side
   2,168.82x = 2,302,111.53
5. Step 5: Solve for x
   x = 2,302,111.53/2,168.82
6. Step 6: Final answer
   x = 1,061.46