Finding the Fourth Proportional to 2,123.42, 3,182.04 and 1,862.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.42 : 3,182.04 = 1,862.78 : x
2. Step 2: Convert to fraction form
   2,123.42/3,182.04 = 1,862.78/x
3. Step 3: Cross multiply
   2,123.42x = 3,182.04 × 1,862.78
4. Step 4: Simplify right side
   2,123.42x = 5,927,440.47
5. Step 5: Solve for x
   x = 5,927,440.47/2,123.42
6. Step 6: Final answer
   x = 2,791.46