Finding the Fourth Proportional to 2,390.76, 3,299.94 and 1,446.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.76 : 3,299.94 = 1,446.56 : x
2. Step 2: Convert to fraction form
   2,390.76/3,299.94 = 1,446.56/x
3. Step 3: Cross multiply
   2,390.76x = 3,299.94 × 1,446.56
4. Step 4: Simplify right side
   2,390.76x = 4,773,561.21
5. Step 5: Solve for x
   x = 4,773,561.21/2,390.76
6. Step 6: Final answer
   x = 1,996.67