Finding the Fourth Proportional to 11,105.36, 16,662.65 and 4,862.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,105.36 : 16,662.65 = 4,862.15 : x
2. Step 2: Convert to fraction form
   11,105.36/16,662.65 = 4,862.15/x
3. Step 3: Cross multiply
   11,105.36x = 16,662.65 × 4,862.15
4. Step 4: Simplify right side
   11,105.36x = 81,016,279.39
5. Step 5: Solve for x
   x = 81,016,279.39/11,105.36
6. Step 6: Final answer
   x = 7,295.24