Finding the Fourth Proportional to 2,615.72, 3,610.26 and 2,047.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,615.72 : 3,610.26 = 2,047.42 : x
2. Step 2: Convert to fraction form
   2,615.72/3,610.26 = 2,047.42/x
3. Step 3: Cross multiply
   2,615.72x = 3,610.26 × 2,047.42
4. Step 4: Simplify right side
   2,615.72x = 7,391,709.50
5. Step 5: Solve for x
   x = 7,391,709.50/2,615.72
6. Step 6: Final answer
   x = 2,825.88