Finding the Fourth Proportional to 2,673.86, 3,688.38 and 1,610.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,673.86 : 3,688.38 = 1,610.90 : x
2. Step 2: Convert to fraction form
   2,673.86/3,688.38 = 1,610.90/x
3. Step 3: Cross multiply
   2,673.86x = 3,688.38 × 1,610.90
4. Step 4: Simplify right side
   2,673.86x = 5,941,611.34
5. Step 5: Solve for x
   x = 5,941,611.34/2,673.86
6. Step 6: Final answer
   x = 2,222.11