Finding the Fourth Proportional to 2,501.08, 3,451.60 and 1,439.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.08 : 3,451.60 = 1,439.18 : x
2. Step 2: Convert to fraction form
   2,501.08/3,451.60 = 1,439.18/x
3. Step 3: Cross multiply
   2,501.08x = 3,451.60 × 1,439.18
4. Step 4: Simplify right side
   2,501.08x = 4,967,473.69
5. Step 5: Solve for x
   x = 4,967,473.69/2,501.08
6. Step 6: Final answer
   x = 1,986.13