Finding the Fourth Proportional to 5,315.58, 7,336.17 and 3,192.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,315.58 : 7,336.17 = 3,192.30 : x
2. Step 2: Convert to fraction form
   5,315.58/7,336.17 = 3,192.30/x
3. Step 3: Cross multiply
   5,315.58x = 7,336.17 × 3,192.30
4. Step 4: Simplify right side
   5,315.58x = 23,419,255.49
5. Step 5: Solve for x
   x = 23,419,255.49/5,315.58
6. Step 6: Final answer
   x = 4,405.78