Finding the Fourth Proportional to 2,182.53, 3,011.91 and 1,187.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.53 : 3,011.91 = 1,187.83 : x
2. Step 2: Convert to fraction form
   2,182.53/3,011.91 = 1,187.83/x
3. Step 3: Cross multiply
   2,182.53x = 3,011.91 × 1,187.83
4. Step 4: Simplify right side
   2,182.53x = 3,577,637.06
5. Step 5: Solve for x
   x = 3,577,637.06/2,182.53
6. Step 6: Final answer
   x = 1,639.22