Finding the Fourth Proportional to 10,802.13, 14,907.69 and 6,086.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,802.13 : 14,907.69 = 6,086.42 : x
2. Step 2: Convert to fraction form
   10,802.13/14,907.69 = 6,086.42/x
3. Step 3: Cross multiply
   10,802.13x = 14,907.69 × 6,086.42
4. Step 4: Simplify right side
   10,802.13x = 90,734,462.57
5. Step 5: Solve for x
   x = 90,734,462.57/10,802.13
6. Step 6: Final answer
   x = 8,399.68