Finding the Fourth Proportional to 2,672.77, 3,688.56 and 1,610.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.77 : 3,688.56 = 1,610.71 : x
2. Step 2: Convert to fraction form
   2,672.77/3,688.56 = 1,610.71/x
3. Step 3: Cross multiply
   2,672.77x = 3,688.56 × 1,610.71
4. Step 4: Simplify right side
   2,672.77x = 5,941,200.48
5. Step 5: Solve for x
   x = 5,941,200.48/2,672.77
6. Step 6: Final answer
   x = 2,222.86