Finding the Fourth Proportional to 2,219.24, 3,326.60 and 1,123.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.24 : 3,326.60 = 1,123.02 : x
2. Step 2: Convert to fraction form
   2,219.24/3,326.60 = 1,123.02/x
3. Step 3: Cross multiply
   2,219.24x = 3,326.60 × 1,123.02
4. Step 4: Simplify right side
   2,219.24x = 3,735,838.33
5. Step 5: Solve for x
   x = 3,735,838.33/2,219.24
6. Step 6: Final answer
   x = 1,683.39