Finding the Fourth Proportional to 22,009.01, 33,016.28 and 7,219.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,009.01 : 33,016.28 = 7,219.42 : x
2. Step 2: Convert to fraction form
   22,009.01/33,016.28 = 7,219.42/x
3. Step 3: Cross multiply
   22,009.01x = 33,016.28 × 7,219.42
4. Step 4: Simplify right side
   22,009.01x = 238,358,273.52
5. Step 5: Solve for x
   x = 238,358,273.52/22,009.01
6. Step 6: Final answer
   x = 10,830.03