Finding the Fourth Proportional to 2,321.40, 3,475.81 and 1,700.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.40 : 3,475.81 = 1,700.40 : x
2. Step 2: Convert to fraction form
   2,321.40/3,475.81 = 1,700.40/x
3. Step 3: Cross multiply
   2,321.40x = 3,475.81 × 1,700.40
4. Step 4: Simplify right side
   2,321.40x = 5,910,267.32
5. Step 5: Solve for x
   x = 5,910,267.32/2,321.40
6. Step 6: Final answer
   x = 2,545.99