Finding the Fourth Proportional to 9,604.78, 13,254.15 and 5,356.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,604.78 : 13,254.15 = 5,356.32 : x
2. Step 2: Convert to fraction form
   9,604.78/13,254.15 = 5,356.32/x
3. Step 3: Cross multiply
   9,604.78x = 13,254.15 × 5,356.32
4. Step 4: Simplify right side
   9,604.78x = 70,993,468.73
5. Step 5: Solve for x
   x = 70,993,468.73/9,604.78
6. Step 6: Final answer
   x = 7,391.47