Finding the Fourth Proportional to 10,104.48, 13,942.89 and 5,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,104.48 : 13,942.89 = 5,855.50 : x
2. Step 2: Convert to fraction form
   10,104.48/13,942.89 = 5,855.50/x
3. Step 3: Cross multiply
   10,104.48x = 13,942.89 × 5,855.50
4. Step 4: Simplify right side
   10,104.48x = 81,642,609.82
5. Step 5: Solve for x
   x = 81,642,609.82/10,104.48
6. Step 6: Final answer
   x = 8,079.84