Finding the Fourth Proportional to 3,610.82, 5,407.86 and 2,634.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.82 : 5,407.86 = 2,634.50 : x
2. Step 2: Convert to fraction form
   3,610.82/5,407.86 = 2,634.50/x
3. Step 3: Cross multiply
   3,610.82x = 5,407.86 × 2,634.50
4. Step 4: Simplify right side
   3,610.82x = 14,247,007.17
5. Step 5: Solve for x
   x = 14,247,007.17/3,610.82
6. Step 6: Final answer
   x = 3,945.64