Finding the Fourth Proportional to 9,607.63, 13,258.53 and 5,358.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,607.63 : 13,258.53 = 5,358.37 : x
2. Step 2: Convert to fraction form
   9,607.63/13,258.53 = 5,358.37/x
3. Step 3: Cross multiply
   9,607.63x = 13,258.53 × 5,358.37
4. Step 4: Simplify right side
   9,607.63x = 71,044,109.40
5. Step 5: Solve for x
   x = 71,044,109.40/9,607.63
6. Step 6: Final answer
   x = 7,394.55