Finding the Fourth Proportional to 2,182.73, 3,012.15 and 1,188

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.73 : 3,012.15 = 1,188 : x
2. Step 2: Convert to fraction form
   2,182.73/3,012.15 = 1,188/x
3. Step 3: Cross multiply
   2,182.73x = 3,012.15 × 1,188
4. Step 4: Simplify right side
   2,182.73x = 3,578,438.66
5. Step 5: Solve for x
   x = 3,578,438.66/2,182.73
6. Step 6: Final answer
   x = 1,639.44