Finding the Fourth Proportional to 10,871.42, 16,306.61 and 3,851.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,871.42 : 16,306.61 = 3,851.32 : x
2. Step 2: Convert to fraction form
   10,871.42/16,306.61 = 3,851.32/x
3. Step 3: Cross multiply
   10,871.42x = 16,306.61 × 3,851.32
4. Step 4: Simplify right side
   10,871.42x = 62,801,973.23
5. Step 5: Solve for x
   x = 62,801,973.23/10,871.42
6. Step 6: Final answer
   x = 5,776.80