Finding the Fourth Proportional to 11,433.10, 17,150.91 and 3,640.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,433.10 : 17,150.91 = 3,640.10 : x
2. Step 2: Convert to fraction form
   11,433.10/17,150.91 = 3,640.10/x
3. Step 3: Cross multiply
   11,433.10x = 17,150.91 × 3,640.10
4. Step 4: Simplify right side
   11,433.10x = 62,431,027.49
5. Step 5: Solve for x
   x = 62,431,027.49/11,433.10
6. Step 6: Final answer
   x = 5,460.55