Finding the Fourth Proportional to 11,165.28, 16,736.16 and 3,762.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,165.28 : 16,736.16 = 3,762.72 : x
2. Step 2: Convert to fraction form
   11,165.28/16,736.16 = 3,762.72/x
3. Step 3: Cross multiply
   11,165.28x = 16,736.16 × 3,762.72
4. Step 4: Simplify right side
   11,165.28x = 62,973,483.96
5. Step 5: Solve for x
   x = 62,973,483.96/11,165.28
6. Step 6: Final answer
   x = 5,640.12