Finding the Fourth Proportional to 9,164.72, 13,752.72 and 3,617.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,164.72 : 13,752.72 = 3,617.12 : x
2. Step 2: Convert to fraction form
   9,164.72/13,752.72 = 3,617.12/x
3. Step 3: Cross multiply
   9,164.72x = 13,752.72 × 3,617.12
4. Step 4: Simplify right side
   9,164.72x = 49,745,238.57
5. Step 5: Solve for x
   x = 49,745,238.57/9,164.72
6. Step 6: Final answer
   x = 5,427.91