Finding the Fourth Proportional to 1,968.51, 2,716.55 and 1,182.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968.51 : 2,716.55 = 1,182.57 : x
2. Step 2: Convert to fraction form
   1,968.51/2,716.55 = 1,182.57/x
3. Step 3: Cross multiply
   1,968.51x = 2,716.55 × 1,182.57
4. Step 4: Simplify right side
   1,968.51x = 3,212,510.53
5. Step 5: Solve for x
   x = 3,212,510.53/1,968.51
6. Step 6: Final answer
   x = 1,631.95