Finding the Fourth Proportional to 10,298.18, 14,211.37 and 5,760.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,298.18 : 14,211.37 = 5,760.81 : x
2. Step 2: Convert to fraction form
   10,298.18/14,211.37 = 5,760.81/x
3. Step 3: Cross multiply
   10,298.18x = 14,211.37 × 5,760.81
4. Step 4: Simplify right side
   10,298.18x = 81,869,002.41
5. Step 5: Solve for x
   x = 81,869,002.41/10,298.18
6. Step 6: Final answer
   x = 7,949.85