Finding the Fourth Proportional to 10,173.21, 14,038.65 and 5,697.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,173.21 : 14,038.65 = 5,697.42 : x
2. Step 2: Convert to fraction form
   10,173.21/14,038.65 = 5,697.42/x
3. Step 3: Cross multiply
   10,173.21x = 14,038.65 × 5,697.42
4. Step 4: Simplify right side
   10,173.21x = 79,984,085.28
5. Step 5: Solve for x
   x = 79,984,085.28/10,173.21
6. Step 6: Final answer
   x = 7,862.23