Finding the Fourth Proportional to 2,677.60, 3,695.12 and 1,615.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,677.60 : 3,695.12 = 1,615.42 : x
2. Step 2: Convert to fraction form
   2,677.60/3,695.12 = 1,615.42/x
3. Step 3: Cross multiply
   2,677.60x = 3,695.12 × 1,615.42
4. Step 4: Simplify right side
   2,677.60x = 5,969,144.20
5. Step 5: Solve for x
   x = 5,969,144.20/2,677.60
6. Step 6: Final answer
   x = 2,229.29