Finding the Fourth Proportional to 2,039.91, 3,056.67 and 1,489.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.91 : 3,056.67 = 1,489.56 : x
2. Step 2: Convert to fraction form
   2,039.91/3,056.67 = 1,489.56/x
3. Step 3: Cross multiply
   2,039.91x = 3,056.67 × 1,489.56
4. Step 4: Simplify right side
   2,039.91x = 4,553,093.37
5. Step 5: Solve for x
   x = 4,553,093.37/2,039.91
6. Step 6: Final answer
   x = 2,232.01