Finding the Fourth Proportional to 2,143.40, 3,208.86 and 1,598.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143.40 : 3,208.86 = 1,598.00 : x
2. Step 2: Convert to fraction form
   2,143.40/3,208.86 = 1,598.00/x
3. Step 3: Cross multiply
   2,143.40x = 3,208.86 × 1,598.00
4. Step 4: Simplify right side
   2,143.40x = 5,127,742.24
5. Step 5: Solve for x
   x = 5,127,742.24/2,143.40
6. Step 6: Final answer
   x = 2,392.35