Finding the Fourth Proportional to 22,009.74, 33,018.72 and 7,222.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,009.74 : 33,018.72 = 7,222.89 : x
2. Step 2: Convert to fraction form
   22,009.74/33,018.72 = 7,222.89/x
3. Step 3: Cross multiply
   22,009.74x = 33,018.72 × 7,222.89
4. Step 4: Simplify right side
   22,009.74x = 238,490,534.13
5. Step 5: Solve for x
   x = 238,490,534.13/22,009.74
6. Step 6: Final answer
   x = 10,835.68