Finding the Fourth Proportional to 3,002.72, 4,501.02 and 1,153.36

Step by Step Solution

1. Step 1: Write the proportion equation
   3,002.72 : 4,501.02 = 1,153.36 : x
2. Step 2: Convert to fraction form
   3,002.72/4,501.02 = 1,153.36/x
3. Step 3: Cross multiply
   3,002.72x = 4,501.02 × 1,153.36
4. Step 4: Simplify right side
   3,002.72x = 5,191,296.43
5. Step 5: Solve for x
   x = 5,191,296.43/3,002.72
6. Step 6: Final answer
   x = 1,728.86