Finding the Fourth Proportional to 9,535.51, 13,158.61 and 5,556.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,535.51 : 13,158.61 = 5,556.79 : x
2. Step 2: Convert to fraction form
   9,535.51/13,158.61 = 5,556.79/x
3. Step 3: Cross multiply
   9,535.51x = 13,158.61 × 5,556.79
4. Step 4: Simplify right side
   9,535.51x = 73,119,632.46
5. Step 5: Solve for x
   x = 73,119,632.46/9,535.51
6. Step 6: Final answer
   x = 7,668.14