Finding the Fourth Proportional to 2,184.86, 3,014.25 and 1,439.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,184.86 : 3,014.25 = 1,439.18 : x
2. Step 2: Convert to fraction form
   2,184.86/3,014.25 = 1,439.18/x
3. Step 3: Cross multiply
   2,184.86x = 3,014.25 × 1,439.18
4. Step 4: Simplify right side
   2,184.86x = 4,338,048.32
5. Step 5: Solve for x
   x = 4,338,048.32/2,184.86
6. Step 6: Final answer
   x = 1,985.51