Finding the Fourth Proportional to 2,272.56, 3,137.40 and 1,774.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.56 : 3,137.40 = 1,774.32 : x
2. Step 2: Convert to fraction form
   2,272.56/3,137.40 = 1,774.32/x
3. Step 3: Cross multiply
   2,272.56x = 3,137.40 × 1,774.32
4. Step 4: Simplify right side
   2,272.56x = 5,566,751.57
5. Step 5: Solve for x
   x = 5,566,751.57/2,272.56
6. Step 6: Final answer
   x = 2,449.55