Finding the Fourth Proportional to 2,615.02, 3,919.42 and 1,559.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.02 : 3,919.42 = 1,559.35 : x
2. Step 2: Convert to fraction form
   2,615.02/3,919.42 = 1,559.35/x
3. Step 3: Cross multiply
   2,615.02x = 3,919.42 × 1,559.35
4. Step 4: Simplify right side
   2,615.02x = 6,111,754.43
5. Step 5: Solve for x
   x = 6,111,754.43/2,615.02
6. Step 6: Final answer
   x = 2,337.18