Finding the Fourth Proportional to 3,548.72, 4,895.56 and 2,220.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,548.72 : 4,895.56 = 2,220.10 : x
2. Step 2: Convert to fraction form
   3,548.72/4,895.56 = 2,220.10/x
3. Step 3: Cross multiply
   3,548.72x = 4,895.56 × 2,220.10
4. Step 4: Simplify right side
   3,548.72x = 10,868,632.76
5. Step 5: Solve for x
   x = 10,868,632.76/3,548.72
6. Step 6: Final answer
   x = 3,062.69