Finding the Fourth Proportional to 2,487.69, 3,433.03 and 1,368.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.69 : 3,433.03 = 1,368.61 : x
2. Step 2: Convert to fraction form
   2,487.69/3,433.03 = 1,368.61/x
3. Step 3: Cross multiply
   2,487.69x = 3,433.03 × 1,368.61
4. Step 4: Simplify right side
   2,487.69x = 4,698,455.18
5. Step 5: Solve for x
   x = 4,698,455.18/2,487.69
6. Step 6: Final answer
   x = 1,888.68