Finding the Fourth Proportional to 22,210.68, 33,299.56 and 13,443.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,210.68 : 33,299.56 = 13,443.52 : x
2. Step 2: Convert to fraction form
   22,210.68/33,299.56 = 13,443.52/x
3. Step 3: Cross multiply
   22,210.68x = 33,299.56 × 13,443.52
4. Step 4: Simplify right side
   22,210.68x = 447,663,300.85
5. Step 5: Solve for x
   x = 447,663,300.85/22,210.68
6. Step 6: Final answer
   x = 20,155.32