Finding the Fourth Proportional to 1,774.42, 2,663 and 1,227.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,774.42 : 2,663 = 1,227.40 : x
2. Step 2: Convert to fraction form
   1,774.42/2,663 = 1,227.40/x
3. Step 3: Cross multiply
   1,774.42x = 2,663 × 1,227.40
4. Step 4: Simplify right side
   1,774.42x = 3,268,566.20
5. Step 5: Solve for x
   x = 3,268,566.20/1,774.42
6. Step 6: Final answer
   x = 1,842.05