Finding the Fourth Proportional to 22,280.69, 33,422.04 and 7,288.67

Step by Step Solution

1. Step 1: Write the proportion equation
   22,280.69 : 33,422.04 = 7,288.67 : x
2. Step 2: Convert to fraction form
   22,280.69/33,422.04 = 7,288.67/x
3. Step 3: Cross multiply
   22,280.69x = 33,422.04 × 7,288.67
4. Step 4: Simplify right side
   22,280.69x = 243,602,143.18
5. Step 5: Solve for x
   x = 243,602,143.18/22,280.69
6. Step 6: Final answer
   x = 10,933.33