Finding the Fourth Proportional to 9,604.30, 13,255.07 and 5,356.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,604.30 : 13,255.07 = 5,356.05 : x
2. Step 2: Convert to fraction form
   9,604.30/13,255.07 = 5,356.05/x
3. Step 3: Cross multiply
   9,604.30x = 13,255.07 × 5,356.05
4. Step 4: Simplify right side
   9,604.30x = 70,994,817.67
5. Step 5: Solve for x
   x = 70,994,817.67/9,604.30
6. Step 6: Final answer
   x = 7,391.98