Finding the Fourth Proportional to 8,822.67, 13,297.42 and 7,604.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,822.67 : 13,297.42 = 7,604.78 : x
2. Step 2: Convert to fraction form
   8,822.67/13,297.42 = 7,604.78/x
3. Step 3: Cross multiply
   8,822.67x = 13,297.42 × 7,604.78
4. Step 4: Simplify right side
   8,822.67x = 101,123,967.90
5. Step 5: Solve for x
   x = 101,123,967.90/8,822.67
6. Step 6: Final answer
   x = 11,461.83