Finding the Fourth Proportional to 2,105.77, 2,905.37 and 1,360.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.77 : 2,905.37 = 1,360.17 : x
2. Step 2: Convert to fraction form
   2,105.77/2,905.37 = 1,360.17/x
3. Step 3: Cross multiply
   2,105.77x = 2,905.37 × 1,360.17
4. Step 4: Simplify right side
   2,105.77x = 3,951,787.24
5. Step 5: Solve for x
   x = 3,951,787.24/2,105.77
6. Step 6: Final answer
   x = 1,876.65