Finding the Fourth Proportional to 10,540.20, 15,797.61 and 3,871.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,540.20 : 15,797.61 = 3,871.34 : x
2. Step 2: Convert to fraction form
   10,540.20/15,797.61 = 3,871.34/x
3. Step 3: Cross multiply
   10,540.20x = 15,797.61 × 3,871.34
4. Step 4: Simplify right side
   10,540.20x = 61,157,919.50
5. Step 5: Solve for x
   x = 61,157,919.50/10,540.20
6. Step 6: Final answer
   x = 5,802.35