Finding the Fourth Proportional to 9,605.48, 13,255.62 and 5,356.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,605.48 : 13,255.62 = 5,356.81 : x
2. Step 2: Convert to fraction form
   9,605.48/13,255.62 = 5,356.81/x
3. Step 3: Cross multiply
   9,605.48x = 13,255.62 × 5,356.81
4. Step 4: Simplify right side
   9,605.48x = 71,007,744.71
5. Step 5: Solve for x
   x = 71,007,744.71/9,605.48
6. Step 6: Final answer
   x = 7,392.42