Finding the Fourth Proportional to 2,559.04, 3,840.05 and 1,078.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559.04 : 3,840.05 = 1,078.16 : x
2. Step 2: Convert to fraction form
   2,559.04/3,840.05 = 1,078.16/x
3. Step 3: Cross multiply
   2,559.04x = 3,840.05 × 1,078.16
4. Step 4: Simplify right side
   2,559.04x = 4,140,185.82
5. Step 5: Solve for x
   x = 4,140,185.82/2,559.04
6. Step 6: Final answer
   x = 1,617.86