Finding the Fourth Proportional to 16,185.08, 22,335.86 and 9,111.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,185.08 : 22,335.86 = 9,111.76 : x
2. Step 2: Convert to fraction form
   16,185.08/22,335.86 = 9,111.76/x
3. Step 3: Cross multiply
   16,185.08x = 22,335.86 × 9,111.76
4. Step 4: Simplify right side
   16,185.08x = 203,518,962.65
5. Step 5: Solve for x
   x = 203,518,962.65/16,185.08
6. Step 6: Final answer
   x = 12,574.48