Finding the Fourth Proportional to 2,487.69, 3,433.23 and 1,368.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.69 : 3,433.23 = 1,368.81 : x
2. Step 2: Convert to fraction form
   2,487.69/3,433.23 = 1,368.81/x
3. Step 3: Cross multiply
   2,487.69x = 3,433.23 × 1,368.81
4. Step 4: Simplify right side
   2,487.69x = 4,699,439.56
5. Step 5: Solve for x
   x = 4,699,439.56/2,487.69
6. Step 6: Final answer
   x = 1,889.08