Finding the Fourth Proportional to 9,556.38, 13,187.61 and 5,364.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,556.38 : 13,187.61 = 5,364.63 : x
2. Step 2: Convert to fraction form
   9,556.38/13,187.61 = 5,364.63/x
3. Step 3: Cross multiply
   9,556.38x = 13,187.61 × 5,364.63
4. Step 4: Simplify right side
   9,556.38x = 70,746,648.23
5. Step 5: Solve for x
   x = 70,746,648.23/9,556.38
6. Step 6: Final answer
   x = 7,403.08