Finding the Fourth Proportional to 16,019.31, 22,101.81 and 9,303.65

Step by Step Solution

1. Step 1: Write the proportion equation
   16,019.31 : 22,101.81 = 9,303.65 : x
2. Step 2: Convert to fraction form
   16,019.31/22,101.81 = 9,303.65/x
3. Step 3: Cross multiply
   16,019.31x = 22,101.81 × 9,303.65
4. Step 4: Simplify right side
   16,019.31x = 205,627,394.10
5. Step 5: Solve for x
   x = 205,627,394.10/16,019.31
6. Step 6: Final answer
   x = 12,836.22