Finding the Fourth Proportional to 16,111.11, 22,227.98 and 9,739.65

Step by Step Solution

1. Step 1: Write the proportion equation
   16,111.11 : 22,227.98 = 9,739.65 : x
2. Step 2: Convert to fraction form
   16,111.11/22,227.98 = 9,739.65/x
3. Step 3: Cross multiply
   16,111.11x = 22,227.98 × 9,739.65
4. Step 4: Simplify right side
   16,111.11x = 216,492,696.71
5. Step 5: Solve for x
   x = 216,492,696.71/16,111.11
6. Step 6: Final answer
   x = 13,437.48