Finding the Fourth Proportional to 2,443.12, 3,370.62 and 1,559.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.12 : 3,370.62 = 1,559.32 : x
2. Step 2: Convert to fraction form
   2,443.12/3,370.62 = 1,559.32/x
3. Step 3: Cross multiply
   2,443.12x = 3,370.62 × 1,559.32
4. Step 4: Simplify right side
   2,443.12x = 5,255,875.18
5. Step 5: Solve for x
   x = 5,255,875.18/2,443.12
6. Step 6: Final answer
   x = 2,151.30