Finding the Fourth Proportional to 3,864.63, 5,796.67 and 2,216.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864.63 : 5,796.67 = 2,216.01 : x
2. Step 2: Convert to fraction form
   3,864.63/5,796.67 = 2,216.01/x
3. Step 3: Cross multiply
   3,864.63x = 5,796.67 × 2,216.01
4. Step 4: Simplify right side
   3,864.63x = 12,845,478.69
5. Step 5: Solve for x
   x = 12,845,478.69/3,864.63
6. Step 6: Final answer
   x = 3,323.86