Finding the Fourth Proportional to 7,768.61, 10,725.72 and 5,350.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,768.61 : 10,725.72 = 5,350.05 : x
2. Step 2: Convert to fraction form
   7,768.61/10,725.72 = 5,350.05/x
3. Step 3: Cross multiply
   7,768.61x = 10,725.72 × 5,350.05
4. Step 4: Simplify right side
   7,768.61x = 57,383,118.22
5. Step 5: Solve for x
   x = 57,383,118.22/7,768.61
6. Step 6: Final answer
   x = 7,386.54