Finding the Fourth Proportional to 2,223.78, 3,066.84 and 1,437

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.78 : 3,066.84 = 1,437 : x
2. Step 2: Convert to fraction form
   2,223.78/3,066.84 = 1,437/x
3. Step 3: Cross multiply
   2,223.78x = 3,066.84 × 1,437
4. Step 4: Simplify right side
   2,223.78x = 4,407,049.08
5. Step 5: Solve for x
   x = 4,407,049.08/2,223.78
6. Step 6: Final answer
   x = 1,981.78