Finding the Fourth Proportional to 2,219.23, 3,061.39 and 1,800.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.23 : 3,061.39 = 1,800.05 : x
2. Step 2: Convert to fraction form
   2,219.23/3,061.39 = 1,800.05/x
3. Step 3: Cross multiply
   2,219.23x = 3,061.39 × 1,800.05
4. Step 4: Simplify right side
   2,219.23x = 5,510,655.07
5. Step 5: Solve for x
   x = 5,510,655.07/2,219.23
6. Step 6: Final answer
   x = 2,483.14