Finding the Fourth Proportional to 2,672.59, 3,687.99 and 1,610.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.59 : 3,687.99 = 1,610.50 : x
2. Step 2: Convert to fraction form
   2,672.59/3,687.99 = 1,610.50/x
3. Step 3: Cross multiply
   2,672.59x = 3,687.99 × 1,610.50
4. Step 4: Simplify right side
   2,672.59x = 5,939,507.90
5. Step 5: Solve for x
   x = 5,939,507.90/2,672.59
6. Step 6: Final answer
   x = 2,222.38