Finding the Fourth Proportional to 3,023.34, 4,171.47 and 2,315.99

Step by Step Solution

1. Step 1: Write the proportion equation
   3,023.34 : 4,171.47 = 2,315.99 : x
2. Step 2: Convert to fraction form
   3,023.34/4,171.47 = 2,315.99/x
3. Step 3: Cross multiply
   3,023.34x = 4,171.47 × 2,315.99
4. Step 4: Simplify right side
   3,023.34x = 9,661,084.55
5. Step 5: Solve for x
   x = 9,661,084.55/3,023.34
6. Step 6: Final answer
   x = 3,195.50