Finding the Fourth Proportional to 1,997.46, 2,756.70 and 1,251.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,997.46 : 2,756.70 = 1,251.99 : x
2. Step 2: Convert to fraction form
   1,997.46/2,756.70 = 1,251.99/x
3. Step 3: Cross multiply
   1,997.46x = 2,756.70 × 1,251.99
4. Step 4: Simplify right side
   1,997.46x = 3,451,360.83
5. Step 5: Solve for x
   x = 3,451,360.83/1,997.46
6. Step 6: Final answer
   x = 1,727.87