Finding the Fourth Proportional to 2,315.62, 3,192.76 and 1,608.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,315.62 : 3,192.76 = 1,608.07 : x
2. Step 2: Convert to fraction form
   2,315.62/3,192.76 = 1,608.07/x
3. Step 3: Cross multiply
   2,315.62x = 3,192.76 × 1,608.07
4. Step 4: Simplify right side
   2,315.62x = 5,134,181.57
5. Step 5: Solve for x
   x = 5,134,181.57/2,315.62
6. Step 6: Final answer
   x = 2,217.20