Finding the Fourth Proportional to 9,607.76, 13,258.78 and 5,358.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,607.76 : 13,258.78 = 5,358.68 : x
2. Step 2: Convert to fraction form
   9,607.76/13,258.78 = 5,358.68/x
3. Step 3: Cross multiply
   9,607.76x = 13,258.78 × 5,358.68
4. Step 4: Simplify right side
   9,607.76x = 71,049,492.92
5. Step 5: Solve for x
   x = 71,049,492.92/9,607.76
6. Step 6: Final answer
   x = 7,395.02