Finding the Fourth Proportional to 2,487.37, 3,432.67 and 1,368.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.37 : 3,432.67 = 1,368.31 : x
2. Step 2: Convert to fraction form
   2,487.37/3,432.67 = 1,368.31/x
3. Step 3: Cross multiply
   2,487.37x = 3,432.67 × 1,368.31
4. Step 4: Simplify right side
   2,487.37x = 4,696,956.69
5. Step 5: Solve for x
   x = 4,696,956.69/2,487.37
6. Step 6: Final answer
   x = 1,888.32