Finding the Fourth Proportional to 2,219.07, 3,323.10 and 1,123.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.07 : 3,323.10 = 1,123.95 : x
2. Step 2: Convert to fraction form
   2,219.07/3,323.10 = 1,123.95/x
3. Step 3: Cross multiply
   2,219.07x = 3,323.10 × 1,123.95
4. Step 4: Simplify right side
   2,219.07x = 3,734,998.25
5. Step 5: Solve for x
   x = 3,734,998.25/2,219.07
6. Step 6: Final answer
   x = 1,683.14