Finding the Fourth Proportional to 2,687.50, 3,707.49 and 1,901.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,687.50 : 3,707.49 = 1,901.98 : x
2. Step 2: Convert to fraction form
   2,687.50/3,707.49 = 1,901.98/x
3. Step 3: Cross multiply
   2,687.50x = 3,707.49 × 1,901.98
4. Step 4: Simplify right side
   2,687.50x = 7,051,571.83
5. Step 5: Solve for x
   x = 7,051,571.83/2,687.50
6. Step 6: Final answer
   x = 2,623.84