Finding the Fourth Proportional to 11,808.28, 16,288.50 and 7,093.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,808.28 : 16,288.50 = 7,093.72 : x
2. Step 2: Convert to fraction form
   11,808.28/16,288.50 = 7,093.72/x
3. Step 3: Cross multiply
   11,808.28x = 16,288.50 × 7,093.72
4. Step 4: Simplify right side
   11,808.28x = 115,546,058.22
5. Step 5: Solve for x
   x = 115,546,058.22/11,808.28
6. Step 6: Final answer
   x = 9,785.17