Finding the Fourth Proportional to 6,534.72, 9,808.56 and 5,316.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,534.72 : 9,808.56 = 5,316.48 : x
2. Step 2: Convert to fraction form
   6,534.72/9,808.56 = 5,316.48/x
3. Step 3: Cross multiply
   6,534.72x = 9,808.56 × 5,316.48
4. Step 4: Simplify right side
   6,534.72x = 52,147,013.07
5. Step 5: Solve for x
   x = 52,147,013.07/6,534.72
6. Step 6: Final answer
   x = 7,979.99