Finding the Fourth Proportional to 2,182.98, 3,012.51 and 1,188.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.98 : 3,012.51 = 1,188.27 : x
2. Step 2: Convert to fraction form
   2,182.98/3,012.51 = 1,188.27/x
3. Step 3: Cross multiply
   2,182.98x = 3,012.51 × 1,188.27
4. Step 4: Simplify right side
   2,182.98x = 3,579,675.26
5. Step 5: Solve for x
   x = 3,579,675.26/2,182.98
6. Step 6: Final answer
   x = 1,639.81