Finding the Fourth Proportional to 2,222.48, 3,069.90 and 1,805.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.48 : 3,069.90 = 1,805.60 : x
2. Step 2: Convert to fraction form
   2,222.48/3,069.90 = 1,805.60/x
3. Step 3: Cross multiply
   2,222.48x = 3,069.90 × 1,805.60
4. Step 4: Simplify right side
   2,222.48x = 5,543,011.44
5. Step 5: Solve for x
   x = 5,543,011.44/2,222.48
6. Step 6: Final answer
   x = 2,494.07