Finding the Fourth Proportional to 2,447.73, 3,679.71 and 1,900.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.73 : 3,679.71 = 1,900.17 : x
2. Step 2: Convert to fraction form
   2,447.73/3,679.71 = 1,900.17/x
3. Step 3: Cross multiply
   2,447.73x = 3,679.71 × 1,900.17
4. Step 4: Simplify right side
   2,447.73x = 6,992,074.55
5. Step 5: Solve for x
   x = 6,992,074.55/2,447.73
6. Step 6: Final answer
   x = 2,856.55