Finding the Fourth Proportional to 1,968.66, 2,715.89 and 1,182.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968.66 : 2,715.89 = 1,182.25 : x
2. Step 2: Convert to fraction form
   1,968.66/2,715.89 = 1,182.25/x
3. Step 3: Cross multiply
   1,968.66x = 2,715.89 × 1,182.25
4. Step 4: Simplify right side
   1,968.66x = 3,210,860.95
5. Step 5: Solve for x
   x = 3,210,860.95/1,968.66
6. Step 6: Final answer
   x = 1,630.99