Finding the Fourth Proportional to 2,173.30, 3,245.41 and 1,705.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173.30 : 3,245.41 = 1,705.83 : x
2. Step 2: Convert to fraction form
   2,173.30/3,245.41 = 1,705.83/x
3. Step 3: Cross multiply
   2,173.30x = 3,245.41 × 1,705.83
4. Step 4: Simplify right side
   2,173.30x = 5,536,117.74
5. Step 5: Solve for x
   x = 5,536,117.74/2,173.30
6. Step 6: Final answer
   x = 2,547.33