Finding the Fourth Proportional to 10,805.88, 14,912.82 and 6,090.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,805.88 : 14,912.82 = 6,090.42 : x
2. Step 2: Convert to fraction form
   10,805.88/14,912.82 = 6,090.42/x
3. Step 3: Cross multiply
   10,805.88x = 14,912.82 × 6,090.42
4. Step 4: Simplify right side
   10,805.88x = 90,825,337.18
5. Step 5: Solve for x
   x = 90,825,337.18/10,805.88
6. Step 6: Final answer
   x = 8,405.18