Finding the Fourth Proportional to 2,471.54, 3,409.76 and 1,587.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.54 : 3,409.76 = 1,587.83 : x
2. Step 2: Convert to fraction form
   2,471.54/3,409.76 = 1,587.83/x
3. Step 3: Cross multiply
   2,471.54x = 3,409.76 × 1,587.83
4. Step 4: Simplify right side
   2,471.54x = 5,414,106.14
5. Step 5: Solve for x
   x = 5,414,106.14/2,471.54
6. Step 6: Final answer
   x = 2,190.58