Finding the Fourth Proportional to 10,266.28, 14,167.18 and 5,789.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,266.28 : 14,167.18 = 5,789.86 : x
2. Step 2: Convert to fraction form
   10,266.28/14,167.18 = 5,789.86/x
3. Step 3: Cross multiply
   10,266.28x = 14,167.18 × 5,789.86
4. Step 4: Simplify right side
   10,266.28x = 82,025,988.79
5. Step 5: Solve for x
   x = 82,025,988.79/10,266.28
6. Step 6: Final answer
   x = 7,989.85