Finding the Fourth Proportional to 7,759.62, 10,713.33 and 5,111.53

Step by Step Solution

1. Step 1: Write the proportion equation
   7,759.62 : 10,713.33 = 5,111.53 : x
2. Step 2: Convert to fraction form
   7,759.62/10,713.33 = 5,111.53/x
3. Step 3: Cross multiply
   7,759.62x = 10,713.33 × 5,111.53
4. Step 4: Simplify right side
   7,759.62x = 54,761,480.91
5. Step 5: Solve for x
   x = 54,761,480.91/7,759.62
6. Step 6: Final answer
   x = 7,057.24