Finding the Fourth Proportional to 10,765.78, 16,155.05 and 5,835.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,765.78 : 16,155.05 = 5,835.31 : x
2. Step 2: Convert to fraction form
   10,765.78/16,155.05 = 5,835.31/x
3. Step 3: Cross multiply
   10,765.78x = 16,155.05 × 5,835.31
4. Step 4: Simplify right side
   10,765.78x = 94,269,655.25
5. Step 5: Solve for x
   x = 94,269,655.25/10,765.78
6. Step 6: Final answer
   x = 8,756.42