Finding the Fourth Proportional to 9,607.71, 13,258.04 and 5,359.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,607.71 : 13,258.04 = 5,359.40 : x
2. Step 2: Convert to fraction form
   9,607.71/13,258.04 = 5,359.40/x
3. Step 3: Cross multiply
   9,607.71x = 13,258.04 × 5,359.40
4. Step 4: Simplify right side
   9,607.71x = 71,055,046.49
5. Step 5: Solve for x
   x = 71,055,046.49/9,607.71
6. Step 6: Final answer
   x = 7,395.63