Finding the Fourth Proportional to 2,276.16, 3,137.76 and 1,610.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.16 : 3,137.76 = 1,610.96 : x
2. Step 2: Convert to fraction form
   2,276.16/3,137.76 = 1,610.96/x
3. Step 3: Cross multiply
   2,276.16x = 3,137.76 × 1,610.96
4. Step 4: Simplify right side
   2,276.16x = 5,054,805.85
5. Step 5: Solve for x
   x = 5,054,805.85/2,276.16
6. Step 6: Final answer
   x = 2,220.76