Finding the Fourth Proportional to 22,608.72, 33,915.60 and 7,818.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,608.72 : 33,915.60 = 7,818.96 : x
2. Step 2: Convert to fraction form
   22,608.72/33,915.60 = 7,818.96/x
3. Step 3: Cross multiply
   22,608.72x = 33,915.60 × 7,818.96
4. Step 4: Simplify right side
   22,608.72x = 265,184,719.78
5. Step 5: Solve for x
   x = 265,184,719.78/22,608.72
6. Step 6: Final answer
   x = 11,729.31