Finding the Fourth Proportional to 5,407.48, 8,105.01 and 2,936.80

Step by Step Solution

1. Step 1: Write the proportion equation
   5,407.48 : 8,105.01 = 2,936.80 : x
2. Step 2: Convert to fraction form
   5,407.48/8,105.01 = 2,936.80/x
3. Step 3: Cross multiply
   5,407.48x = 8,105.01 × 2,936.80
4. Step 4: Simplify right side
   5,407.48x = 23,802,793.37
5. Step 5: Solve for x
   x = 23,802,793.37/5,407.48
6. Step 6: Final answer
   x = 4,401.83