Finding the Fourth Proportional to 3,019.52, 4,528.06 and 1,612.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,019.52 : 4,528.06 = 1,612.55 : x
2. Step 2: Convert to fraction form
   3,019.52/4,528.06 = 1,612.55/x
3. Step 3: Cross multiply
   3,019.52x = 4,528.06 × 1,612.55
4. Step 4: Simplify right side
   3,019.52x = 7,301,723.15
5. Step 5: Solve for x
   x = 7,301,723.15/3,019.52
6. Step 6: Final answer
   x = 2,418.17