Finding the Fourth Proportional to 23,976.76, 33,088.50 and 13,222.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,976.76 : 33,088.50 = 13,222.12 : x
2. Step 2: Convert to fraction form
   23,976.76/33,088.50 = 13,222.12/x
3. Step 3: Cross multiply
   23,976.76x = 33,088.50 × 13,222.12
4. Step 4: Simplify right side
   23,976.76x = 437,500,117.62
5. Step 5: Solve for x
   x = 437,500,117.62/23,976.76
6. Step 6: Final answer
   x = 18,246.84