Finding the Fourth Proportional to 2,056.57, 3,087.03 and 1,671.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.57 : 3,087.03 = 1,671.22 : x
2. Step 2: Convert to fraction form
   2,056.57/3,087.03 = 1,671.22/x
3. Step 3: Cross multiply
   2,056.57x = 3,087.03 × 1,671.22
4. Step 4: Simplify right side
   2,056.57x = 5,159,106.28
5. Step 5: Solve for x
   x = 5,159,106.28/2,056.57
6. Step 6: Final answer
   x = 2,508.60