Finding the Fourth Proportional to 2,471.19, 3,705.89 and 1,083.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.19 : 3,705.89 = 1,083.57 : x
2. Step 2: Convert to fraction form
   2,471.19/3,705.89 = 1,083.57/x
3. Step 3: Cross multiply
   2,471.19x = 3,705.89 × 1,083.57
4. Step 4: Simplify right side
   2,471.19x = 4,015,585.81
5. Step 5: Solve for x
   x = 4,015,585.81/2,471.19
6. Step 6: Final answer
   x = 1,624.96