Finding the Fourth Proportional to 22,109.99, 30,511.50 and 12,038.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,109.99 : 30,511.50 = 12,038.32 : x
2. Step 2: Convert to fraction form
   22,109.99/30,511.50 = 12,038.32/x
3. Step 3: Cross multiply
   22,109.99x = 30,511.50 × 12,038.32
4. Step 4: Simplify right side
   22,109.99x = 367,307,048.12
5. Step 5: Solve for x
   x = 367,307,048.12/22,109.99
6. Step 6: Final answer
   x = 16,612.72