Finding the Fourth Proportional to 11,011.83, 16,518.51 and 3,895.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,011.83 : 16,518.51 = 3,895.28 : x
2. Step 2: Convert to fraction form
   11,011.83/16,518.51 = 3,895.28/x
3. Step 3: Cross multiply
   11,011.83x = 16,518.51 × 3,895.28
4. Step 4: Simplify right side
   11,011.83x = 64,344,139.04
5. Step 5: Solve for x
   x = 64,344,139.04/11,011.83
6. Step 6: Final answer
   x = 5,843.18