Finding the Fourth Proportional to 9,605.75, 13,258.37 and 5,416.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,605.75 : 13,258.37 = 5,416.43 : x
2. Step 2: Convert to fraction form
   9,605.75/13,258.37 = 5,416.43/x
3. Step 3: Cross multiply
   9,605.75x = 13,258.37 × 5,416.43
4. Step 4: Simplify right side
   9,605.75x = 71,813,005.94
5. Step 5: Solve for x
   x = 71,813,005.94/9,605.75
6. Step 6: Final answer
   x = 7,476.04