Finding the Fourth Proportional to 9,604.42, 13,255.05 and 5,356.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,604.42 : 13,255.05 = 5,356.15 : x
2. Step 2: Convert to fraction form
   9,604.42/13,255.05 = 5,356.15/x
3. Step 3: Cross multiply
   9,604.42x = 13,255.05 × 5,356.15
4. Step 4: Simplify right side
   9,604.42x = 70,996,036.06
5. Step 5: Solve for x
   x = 70,996,036.06/9,604.42
6. Step 6: Final answer
   x = 7,392.02