Finding the Fourth Proportional to 1,337.94, 1,845.43 and 1,227.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.94 : 1,845.43 = 1,227.78 : x
2. Step 2: Convert to fraction form
   1,337.94/1,845.43 = 1,227.78/x
3. Step 3: Cross multiply
   1,337.94x = 1,845.43 × 1,227.78
4. Step 4: Simplify right side
   1,337.94x = 2,265,782.05
5. Step 5: Solve for x
   x = 2,265,782.05/1,337.94
6. Step 6: Final answer
   x = 1,693.49