Finding the Fourth Proportional to 22,002, 33,005.74 and 7,212.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,002 : 33,005.74 = 7,212.42 : x
2. Step 2: Convert to fraction form
   22,002/33,005.74 = 7,212.42/x
3. Step 3: Cross multiply
   22,002x = 33,005.74 × 7,212.42
4. Step 4: Simplify right side
   22,002x = 238,051,259.29
5. Step 5: Solve for x
   x = 238,051,259.29/22,002
6. Step 6: Final answer
   x = 10,819.53