Finding the Fourth Proportional to 2,549.15, 3,822.07 and 1,069.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.15 : 3,822.07 = 1,069.32 : x
2. Step 2: Convert to fraction form
   2,549.15/3,822.07 = 1,069.32/x
3. Step 3: Cross multiply
   2,549.15x = 3,822.07 × 1,069.32
4. Step 4: Simplify right side
   2,549.15x = 4,087,013.86
5. Step 5: Solve for x
   x = 4,087,013.86/2,549.15
6. Step 6: Final answer
   x = 1,603.28