Finding the Fourth Proportional to 3,222.16, 4,835.40 and 2,068.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,222.16 : 4,835.40 = 2,068.72 : x
2. Step 2: Convert to fraction form
   3,222.16/4,835.40 = 2,068.72/x
3. Step 3: Cross multiply
   3,222.16x = 4,835.40 × 2,068.72
4. Step 4: Simplify right side
   3,222.16x = 10,003,088.69
5. Step 5: Solve for x
   x = 10,003,088.69/3,222.16
6. Step 6: Final answer
   x = 3,104.47