Finding the Fourth Proportional to 2,219.42, 3,330.04 and 1,124.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.42 : 3,330.04 = 1,124.10 : x
2. Step 2: Convert to fraction form
   2,219.42/3,330.04 = 1,124.10/x
3. Step 3: Cross multiply
   2,219.42x = 3,330.04 × 1,124.10
4. Step 4: Simplify right side
   2,219.42x = 3,743,297.96
5. Step 5: Solve for x
   x = 3,743,297.96/2,219.42
6. Step 6: Final answer
   x = 1,686.61