Finding the Fourth Proportional to 1,705.59, 2,554.61 and 1,297.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.59 : 2,554.61 = 1,297.35 : x
2. Step 2: Convert to fraction form
   1,705.59/2,554.61 = 1,297.35/x
3. Step 3: Cross multiply
   1,705.59x = 2,554.61 × 1,297.35
4. Step 4: Simplify right side
   1,705.59x = 3,314,216.80
5. Step 5: Solve for x
   x = 3,314,216.80/1,705.59
6. Step 6: Final answer
   x = 1,943.15