Finding the Fourth Proportional to 22,978.82, 34,481.60 and 8,948.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,978.82 : 34,481.60 = 8,948.54 : x
2. Step 2: Convert to fraction form
   22,978.82/34,481.60 = 8,948.54/x
3. Step 3: Cross multiply
   22,978.82x = 34,481.60 × 8,948.54
4. Step 4: Simplify right side
   22,978.82x = 308,559,976.86
5. Step 5: Solve for x
   x = 308,559,976.86/22,978.82
6. Step 6: Final answer
   x = 13,428.02