Finding the Fourth Proportional to 22,002.36, 33,007.52 and 7,212.03

Step by Step Solution

1. Step 1: Write the proportion equation
   22,002.36 : 33,007.52 = 7,212.03 : x
2. Step 2: Convert to fraction form
   22,002.36/33,007.52 = 7,212.03/x
3. Step 3: Cross multiply
   22,002.36x = 33,007.52 × 7,212.03
4. Step 4: Simplify right side
   22,002.36x = 238,051,224.47
5. Step 5: Solve for x
   x = 238,051,224.47/22,002.36
6. Step 6: Final answer
   x = 10,819.35