Finding the Fourth Proportional to 22,311.34, 33,459.94 and 7,516.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,311.34 : 33,459.94 = 7,516.78 : x
2. Step 2: Convert to fraction form
   22,311.34/33,459.94 = 7,516.78/x
3. Step 3: Cross multiply
   22,311.34x = 33,459.94 × 7,516.78
4. Step 4: Simplify right side
   22,311.34x = 251,511,007.79
5. Step 5: Solve for x
   x = 251,511,007.79/22,311.34
6. Step 6: Final answer
   x = 11,272.79