Finding the Fourth Proportional to 2,501.71, 3,452.55 and 1,439.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.71 : 3,452.55 = 1,439.81 : x
2. Step 2: Convert to fraction form
   2,501.71/3,452.55 = 1,439.81/x
3. Step 3: Cross multiply
   2,501.71x = 3,452.55 × 1,439.81
4. Step 4: Simplify right side
   2,501.71x = 4,971,016.02
5. Step 5: Solve for x
   x = 4,971,016.02/2,501.71
6. Step 6: Final answer
   x = 1,987.05