Finding the Fourth Proportional to 2,139.20, 3,204.52 and 1,701.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139.20 : 3,204.52 = 1,701.16 : x
2. Step 2: Convert to fraction form
   2,139.20/3,204.52 = 1,701.16/x
3. Step 3: Cross multiply
   2,139.20x = 3,204.52 × 1,701.16
4. Step 4: Simplify right side
   2,139.20x = 5,451,401.24
5. Step 5: Solve for x
   x = 5,451,401.24/2,139.20
6. Step 6: Final answer
   x = 2,548.34