Finding the Fourth Proportional to 10,173.20, 14,039.24 and 5,697.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,173.20 : 14,039.24 = 5,697.27 : x
2. Step 2: Convert to fraction form
   10,173.20/14,039.24 = 5,697.27/x
3. Step 3: Cross multiply
   10,173.20x = 14,039.24 × 5,697.27
4. Step 4: Simplify right side
   10,173.20x = 79,985,312.39
5. Step 5: Solve for x
   x = 79,985,312.39/10,173.20
6. Step 6: Final answer
   x = 7,862.36