Finding the Fourth Proportional to 9,654.62, 13,321.22 and 5,879.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,654.62 : 13,321.22 = 5,879.76 : x
2. Step 2: Convert to fraction form
   9,654.62/13,321.22 = 5,879.76/x
3. Step 3: Cross multiply
   9,654.62x = 13,321.22 × 5,879.76
4. Step 4: Simplify right side
   9,654.62x = 78,325,576.51
5. Step 5: Solve for x
   x = 78,325,576.51/9,654.62
6. Step 6: Final answer
   x = 8,112.76