Finding the Fourth Proportional to 2,182.41, 3,011.75 and 1,187.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.41 : 3,011.75 = 1,187.69 : x
2. Step 2: Convert to fraction form
   2,182.41/3,011.75 = 1,187.69/x
3. Step 3: Cross multiply
   2,182.41x = 3,011.75 × 1,187.69
4. Step 4: Simplify right side
   2,182.41x = 3,577,010.30
5. Step 5: Solve for x
   x = 3,577,010.30/2,182.41
6. Step 6: Final answer
   x = 1,639.02