Finding the Fourth Proportional to 2,487.86, 3,427.32 and 1,740.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.86 : 3,427.32 = 1,740.42 : x
2. Step 2: Convert to fraction form
   2,487.86/3,427.32 = 1,740.42/x
3. Step 3: Cross multiply
   2,487.86x = 3,427.32 × 1,740.42
4. Step 4: Simplify right side
   2,487.86x = 5,964,976.27
5. Step 5: Solve for x
   x = 5,964,976.27/2,487.86
6. Step 6: Final answer
   x = 2,397.63