Finding the Fourth Proportional to 2,900.59, 3,997.29 and 2,847.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,900.59 : 3,997.29 = 2,847.27 : x
2. Step 2: Convert to fraction form
   2,900.59/3,997.29 = 2,847.27/x
3. Step 3: Cross multiply
   2,900.59x = 3,997.29 × 2,847.27
4. Step 4: Simplify right side
   2,900.59x = 11,381,363.90
5. Step 5: Solve for x
   x = 11,381,363.90/2,900.59
6. Step 6: Final answer
   x = 3,923.81