Finding the Fourth Proportional to 2,577.83, 3,869.17 and 1,346.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.83 : 3,869.17 = 1,346.12 : x
2. Step 2: Convert to fraction form
   2,577.83/3,869.17 = 1,346.12/x
3. Step 3: Cross multiply
   2,577.83x = 3,869.17 × 1,346.12
4. Step 4: Simplify right side
   2,577.83x = 5,208,358.92
5. Step 5: Solve for x
   x = 5,208,358.92/2,577.83
6. Step 6: Final answer
   x = 2,020.45