Finding the Fourth Proportional to 2,610.82, 3,916.17 and 636.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.82 : 3,916.17 = 636.46 : x
2. Step 2: Convert to fraction form
   2,610.82/3,916.17 = 636.46/x
3. Step 3: Cross multiply
   2,610.82x = 3,916.17 × 636.46
4. Step 4: Simplify right side
   2,610.82x = 2,492,475.77
5. Step 5: Solve for x
   x = 2,492,475.77/2,610.82
6. Step 6: Final answer
   x = 954.67