Finding the Fourth Proportional to 2,487.43, 3,432.71 and 1,368.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.43 : 3,432.71 = 1,368.43 : x
2. Step 2: Convert to fraction form
   2,487.43/3,432.71 = 1,368.43/x
3. Step 3: Cross multiply
   2,487.43x = 3,432.71 × 1,368.43
4. Step 4: Simplify right side
   2,487.43x = 4,697,399.34
5. Step 5: Solve for x
   x = 4,697,399.34/2,487.43
6. Step 6: Final answer
   x = 1,888.46