Finding the Fourth Proportional to 9,556.93, 13,186.42 and 5,364.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,556.93 : 13,186.42 = 5,364.91 : x
2. Step 2: Convert to fraction form
   9,556.93/13,186.42 = 5,364.91/x
3. Step 3: Cross multiply
   9,556.93x = 13,186.42 × 5,364.91
4. Step 4: Simplify right side
   9,556.93x = 70,743,956.52
5. Step 5: Solve for x
   x = 70,743,956.52/9,556.93
6. Step 6: Final answer
   x = 7,402.37