Finding the Fourth Proportional to 2,687.98, 3,707.52 and 1,892.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687.98 : 3,707.52 = 1,892.96 : x
2. Step 2: Convert to fraction form
   2,687.98/3,707.52 = 1,892.96/x
3. Step 3: Cross multiply
   2,687.98x = 3,707.52 × 1,892.96
4. Step 4: Simplify right side
   2,687.98x = 7,018,187.06
5. Step 5: Solve for x
   x = 7,018,187.06/2,687.98
6. Step 6: Final answer
   x = 2,610.95