Finding the Fourth Proportional to 5,105.30, 7,665.15 and 4,010.90

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.30 : 7,665.15 = 4,010.90 : x
2. Step 2: Convert to fraction form
   5,105.30/7,665.15 = 4,010.90/x
3. Step 3: Cross multiply
   5,105.30x = 7,665.15 × 4,010.90
4. Step 4: Simplify right side
   5,105.30x = 30,744,150.14
5. Step 5: Solve for x
   x = 30,744,150.14/5,105.30
6. Step 6: Final answer
   x = 6,022.01