Finding the Fourth Proportional to 7,709.39, 10,643.54 and 5,061.44

Step by Step Solution

1. Step 1: Write the proportion equation
   7,709.39 : 10,643.54 = 5,061.44 : x
2. Step 2: Convert to fraction form
   7,709.39/10,643.54 = 5,061.44/x
3. Step 3: Cross multiply
   7,709.39x = 10,643.54 × 5,061.44
4. Step 4: Simplify right side
   7,709.39x = 53,871,560.57
5. Step 5: Solve for x
   x = 53,871,560.57/7,709.39
6. Step 6: Final answer
   x = 6,987.79