Finding the Fourth Proportional to 2,439.86, 3,651.28 and 1,995.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,439.86 : 3,651.28 = 1,995.98 : x
2. Step 2: Convert to fraction form
   2,439.86/3,651.28 = 1,995.98/x
3. Step 3: Cross multiply
   2,439.86x = 3,651.28 × 1,995.98
4. Step 4: Simplify right side
   2,439.86x = 7,287,858.61
5. Step 5: Solve for x
   x = 7,287,858.61/2,439.86
6. Step 6: Final answer
   x = 2,987.00