Finding the Fourth Proportional to 2,615.42, 3,608.14 and 1,606.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.42 : 3,608.14 = 1,606.78 : x
2. Step 2: Convert to fraction form
   2,615.42/3,608.14 = 1,606.78/x
3. Step 3: Cross multiply
   2,615.42x = 3,608.14 × 1,606.78
4. Step 4: Simplify right side
   2,615.42x = 5,797,487.19
5. Step 5: Solve for x
   x = 5,797,487.19/2,615.42
6. Step 6: Final answer
   x = 2,216.66