Finding the Fourth Proportional to 3,710.38, 5,113.28 and 2,715.97

Step by Step Solution

1. Step 1: Write the proportion equation
   3,710.38 : 5,113.28 = 2,715.97 : x
2. Step 2: Convert to fraction form
   3,710.38/5,113.28 = 2,715.97/x
3. Step 3: Cross multiply
   3,710.38x = 5,113.28 × 2,715.97
4. Step 4: Simplify right side
   3,710.38x = 13,887,501.50
5. Step 5: Solve for x
   x = 13,887,501.50/3,710.38
6. Step 6: Final answer
   x = 3,742.88