Finding the Fourth Proportional to 1,705.50, 2,558.52 and 551.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.50 : 2,558.52 = 551.34 : x
2. Step 2: Convert to fraction form
   1,705.50/2,558.52 = 551.34/x
3. Step 3: Cross multiply
   1,705.50x = 2,558.52 × 551.34
4. Step 4: Simplify right side
   1,705.50x = 1,410,614.42
5. Step 5: Solve for x
   x = 1,410,614.42/1,705.50
6. Step 6: Final answer
   x = 827.10