Finding the Fourth Proportional to 3,222.72, 4,862.16 and 3,060.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,222.72 : 4,862.16 = 3,060.72 : x
2. Step 2: Convert to fraction form
   3,222.72/4,862.16 = 3,060.72/x
3. Step 3: Cross multiply
   3,222.72x = 4,862.16 × 3,060.72
4. Step 4: Simplify right side
   3,222.72x = 14,881,710.36
5. Step 5: Solve for x
   x = 14,881,710.36/3,222.72
6. Step 6: Final answer
   x = 4,617.75