Finding the Fourth Proportional to 10,173.46, 14,039.30 and 5,697.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,173.46 : 14,039.30 = 5,697.20 : x
2. Step 2: Convert to fraction form
   10,173.46/14,039.30 = 5,697.20/x
3. Step 3: Cross multiply
   10,173.46x = 14,039.30 × 5,697.20
4. Step 4: Simplify right side
   10,173.46x = 79,984,699.96
5. Step 5: Solve for x
   x = 79,984,699.96/10,173.46
6. Step 6: Final answer
   x = 7,862.09