Finding the Fourth Proportional to 22,142.74, 33,219.72 and 7,355.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,142.74 : 33,219.72 = 7,355.80 : x
2. Step 2: Convert to fraction form
   22,142.74/33,219.72 = 7,355.80/x
3. Step 3: Cross multiply
   22,142.74x = 33,219.72 × 7,355.80
4. Step 4: Simplify right side
   22,142.74x = 244,357,616.38
5. Step 5: Solve for x
   x = 244,357,616.38/22,142.74
6. Step 6: Final answer
   x = 11,035.56