Finding the Fourth Proportional to 6,081.01, 9,105.69 and 5,209.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,081.01 : 9,105.69 = 5,209.10 : x
2. Step 2: Convert to fraction form
   6,081.01/9,105.69 = 5,209.10/x
3. Step 3: Cross multiply
   6,081.01x = 9,105.69 × 5,209.10
4. Step 4: Simplify right side
   6,081.01x = 47,432,449.78
5. Step 5: Solve for x
   x = 47,432,449.78/6,081.01
6. Step 6: Final answer
   x = 7,800.09