Finding the Fourth Proportional to 3,907.68, 5,863.96 and 3,610.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907.68 : 5,863.96 = 3,610.16 : x
2. Step 2: Convert to fraction form
   3,907.68/5,863.96 = 3,610.16/x
3. Step 3: Cross multiply
   3,907.68x = 5,863.96 × 3,610.16
4. Step 4: Simplify right side
   3,907.68x = 21,169,833.83
5. Step 5: Solve for x
   x = 21,169,833.83/3,907.68
6. Step 6: Final answer
   x = 5,417.49