Finding the Fourth Proportional to 11,081.88, 16,574.22 and 9,643.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,081.88 : 16,574.22 = 9,643.32 : x
2. Step 2: Convert to fraction form
   11,081.88/16,574.22 = 9,643.32/x
3. Step 3: Cross multiply
   11,081.88x = 16,574.22 × 9,643.32
4. Step 4: Simplify right side
   11,081.88x = 159,830,507.21
5. Step 5: Solve for x
   x = 159,830,507.21/11,081.88
6. Step 6: Final answer
   x = 14,422.69