Finding the Fourth Proportional to 11,022.82, 16,540.71 and 7,899.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,022.82 : 16,540.71 = 7,899.46 : x
2. Step 2: Convert to fraction form
   11,022.82/16,540.71 = 7,899.46/x
3. Step 3: Cross multiply
   11,022.82x = 16,540.71 × 7,899.46
4. Step 4: Simplify right side
   11,022.82x = 130,662,677.02
5. Step 5: Solve for x
   x = 130,662,677.02/11,022.82
6. Step 6: Final answer
   x = 11,853.83