Finding the Fourth Proportional to 3,002.78, 4,501.43 and 1,336.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,002.78 : 4,501.43 = 1,336.02 : x
2. Step 2: Convert to fraction form
   3,002.78/4,501.43 = 1,336.02/x
3. Step 3: Cross multiply
   3,002.78x = 4,501.43 × 1,336.02
4. Step 4: Simplify right side
   3,002.78x = 6,013,993.83
5. Step 5: Solve for x
   x = 6,013,993.83/3,002.78
6. Step 6: Final answer
   x = 2,002.81