Finding the Fourth Proportional to 2,273.11, 3,123.30 and 1,806.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,273.11 : 3,123.30 = 1,806.55 : x
2. Step 2: Convert to fraction form
   2,273.11/3,123.30 = 1,806.55/x
3. Step 3: Cross multiply
   2,273.11x = 3,123.30 × 1,806.55
4. Step 4: Simplify right side
   2,273.11x = 5,642,393.10
5. Step 5: Solve for x
   x = 5,642,393.10/2,273.11
6. Step 6: Final answer
   x = 2,482.23