Finding the Fourth Proportional to 2,055.57, 2,838.20 and 1,612.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.57 : 2,838.20 = 1,612.70 : x
2. Step 2: Convert to fraction form
   2,055.57/2,838.20 = 1,612.70/x
3. Step 3: Cross multiply
   2,055.57x = 2,838.20 × 1,612.70
4. Step 4: Simplify right side
   2,055.57x = 4,577,165.14
5. Step 5: Solve for x
   x = 4,577,165.14/2,055.57
6. Step 6: Final answer
   x = 2,226.71