Finding the Fourth Proportional to 11,789.30, 16,264.61 and 6,750.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,789.30 : 16,264.61 = 6,750.81 : x
2. Step 2: Convert to fraction form
   11,789.30/16,264.61 = 6,750.81/x
3. Step 3: Cross multiply
   11,789.30x = 16,264.61 × 6,750.81
4. Step 4: Simplify right side
   11,789.30x = 109,799,291.83
5. Step 5: Solve for x
   x = 109,799,291.83/11,789.30
6. Step 6: Final answer
   x = 9,313.47