Finding the Fourth Proportional to 9,607.47, 13,258.39 and 5,358.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,607.47 : 13,258.39 = 5,358.80 : x
2. Step 2: Convert to fraction form
   9,607.47/13,258.39 = 5,358.80/x
3. Step 3: Cross multiply
   9,607.47x = 13,258.39 × 5,358.80
4. Step 4: Simplify right side
   9,607.47x = 71,049,060.33
5. Step 5: Solve for x
   x = 71,049,060.33/9,607.47
6. Step 6: Final answer
   x = 7,395.19