Finding the Fourth Proportional to 10,587.20, 14,610.63 and 5,871.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,587.20 : 14,610.63 = 5,871.78 : x
2. Step 2: Convert to fraction form
   10,587.20/14,610.63 = 5,871.78/x
3. Step 3: Cross multiply
   10,587.20x = 14,610.63 × 5,871.78
4. Step 4: Simplify right side
   10,587.20x = 85,790,405.02
5. Step 5: Solve for x
   x = 85,790,405.02/10,587.20
6. Step 6: Final answer
   x = 8,103.22