Finding the Fourth Proportional to 2,182.48, 3,011.78 and 1,187.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.48 : 3,011.78 = 1,187.73 : x
2. Step 2: Convert to fraction form
   2,182.48/3,011.78 = 1,187.73/x
3. Step 3: Cross multiply
   2,182.48x = 3,011.78 × 1,187.73
4. Step 4: Simplify right side
   2,182.48x = 3,577,184.43
5. Step 5: Solve for x
   x = 3,577,184.43/2,182.48
6. Step 6: Final answer
   x = 1,639.05