Finding the Fourth Proportional to 10,174.28, 14,039.73 and 5,697

Step by Step Solution

1. Step 1: Write the proportion equation
   10,174.28 : 14,039.73 = 5,697 : x
2. Step 2: Convert to fraction form
   10,174.28/14,039.73 = 5,697/x
3. Step 3: Cross multiply
   10,174.28x = 14,039.73 × 5,697
4. Step 4: Simplify right side
   10,174.28x = 79,984,341.81
5. Step 5: Solve for x
   x = 79,984,341.81/10,174.28
6. Step 6: Final answer
   x = 7,861.43