Finding the Fourth Proportional to 22,301.76, 33,456.96 and 8,460.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,301.76 : 33,456.96 = 8,460.48 : x
2. Step 2: Convert to fraction form
   22,301.76/33,456.96 = 8,460.48/x
3. Step 3: Cross multiply
   22,301.76x = 33,456.96 × 8,460.48
4. Step 4: Simplify right side
   22,301.76x = 283,061,940.94
5. Step 5: Solve for x
   x = 283,061,940.94/22,301.76
6. Step 6: Final answer
   x = 12,692.36