Finding the Fourth Proportional to 2,321.80, 3,475.17 and 1,705.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.80 : 3,475.17 = 1,705.37 : x
2. Step 2: Convert to fraction form
   2,321.80/3,475.17 = 1,705.37/x
3. Step 3: Cross multiply
   2,321.80x = 3,475.17 × 1,705.37
4. Step 4: Simplify right side
   2,321.80x = 5,926,433.29
5. Step 5: Solve for x
   x = 5,926,433.29/2,321.80
6. Step 6: Final answer
   x = 2,552.52