Finding the Fourth Proportional to 2,056.57, 3,079.39 and 1,607.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.57 : 3,079.39 = 1,607.37 : x
2. Step 2: Convert to fraction form
   2,056.57/3,079.39 = 1,607.37/x
3. Step 3: Cross multiply
   2,056.57x = 3,079.39 × 1,607.37
4. Step 4: Simplify right side
   2,056.57x = 4,949,719.10
5. Step 5: Solve for x
   x = 4,949,719.10/2,056.57
6. Step 6: Final answer
   x = 2,406.78