Finding the Fourth Proportional to 7,740.72, 10,675.98 and 5,087.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,740.72 : 10,675.98 = 5,087.16 : x
2. Step 2: Convert to fraction form
   7,740.72/10,675.98 = 5,087.16/x
3. Step 3: Cross multiply
   7,740.72x = 10,675.98 × 5,087.16
4. Step 4: Simplify right side
   7,740.72x = 54,310,418.42
5. Step 5: Solve for x
   x = 54,310,418.42/7,740.72
6. Step 6: Final answer
   x = 7,016.20