Finding the Fourth Proportional to 9,556.15, 13,188.20 and 5,779.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,556.15 : 13,188.20 = 5,779.46 : x
2. Step 2: Convert to fraction form
   9,556.15/13,188.20 = 5,779.46/x
3. Step 3: Cross multiply
   9,556.15x = 13,188.20 × 5,779.46
4. Step 4: Simplify right side
   9,556.15x = 76,220,674.37
5. Step 5: Solve for x
   x = 76,220,674.37/9,556.15
6. Step 6: Final answer
   x = 7,976.09