Finding the Fourth Proportional to 9,607.76, 13,258.92 and 5,629.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,607.76 : 13,258.92 = 5,629.52 : x
2. Step 2: Convert to fraction form
   9,607.76/13,258.92 = 5,629.52/x
3. Step 3: Cross multiply
   9,607.76x = 13,258.92 × 5,629.52
4. Step 4: Simplify right side
   9,607.76x = 74,641,355.32
5. Step 5: Solve for x
   x = 74,641,355.32/9,607.76
6. Step 6: Final answer
   x = 7,768.86