Finding the Fourth Proportional to 9,606.03, 13,256.57 and 5,357.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,606.03 : 13,256.57 = 5,357.79 : x
2. Step 2: Convert to fraction form
   9,606.03/13,256.57 = 5,357.79/x
3. Step 3: Cross multiply
   9,606.03x = 13,256.57 × 5,357.79
4. Step 4: Simplify right side
   9,606.03x = 71,025,918.18
5. Step 5: Solve for x
   x = 71,025,918.18/9,606.03
6. Step 6: Final answer
   x = 7,393.89