Finding the Fourth Proportional to 7,315.30, 10,093.17 and 4,171.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,315.30 : 10,093.17 = 4,171.42 : x
2. Step 2: Convert to fraction form
   7,315.30/10,093.17 = 4,171.42/x
3. Step 3: Cross multiply
   7,315.30x = 10,093.17 × 4,171.42
4. Step 4: Simplify right side
   7,315.30x = 42,102,851.20
5. Step 5: Solve for x
   x = 42,102,851.20/7,315.30
6. Step 6: Final answer
   x = 5,755.45