Finding the Fourth Proportional to 10,587.81, 14,611.28 and 5,871.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,587.81 : 14,611.28 = 5,871.99 : x
2. Step 2: Convert to fraction form
   10,587.81/14,611.28 = 5,871.99/x
3. Step 3: Cross multiply
   10,587.81x = 14,611.28 × 5,871.99
4. Step 4: Simplify right side
   10,587.81x = 85,797,260.69
5. Step 5: Solve for x
   x = 85,797,260.69/10,587.81
6. Step 6: Final answer
   x = 8,103.40