Finding the Fourth Proportional to 2,536.92, 3,802.86 and 1,439.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536.92 : 3,802.86 = 1,439.01 : x
2. Step 2: Convert to fraction form
   2,536.92/3,802.86 = 1,439.01/x
3. Step 3: Cross multiply
   2,536.92x = 3,802.86 × 1,439.01
4. Step 4: Simplify right side
   2,536.92x = 5,472,353.57
5. Step 5: Solve for x
   x = 5,472,353.57/2,536.92
6. Step 6: Final answer
   x = 2,157.09