Finding the Fourth Proportional to 2,180.51, 3,271.73 and 1,243.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.51 : 3,271.73 = 1,243.42 : x
2. Step 2: Convert to fraction form
   2,180.51/3,271.73 = 1,243.42/x
3. Step 3: Cross multiply
   2,180.51x = 3,271.73 × 1,243.42
4. Step 4: Simplify right side
   2,180.51x = 4,068,129.45
5. Step 5: Solve for x
   x = 4,068,129.45/2,180.51
6. Step 6: Final answer
   x = 1,865.68