Finding the Fourth Proportional to 1,705.35, 2,556.72 and 1,124.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.35 : 2,556.72 = 1,124.00 : x
2. Step 2: Convert to fraction form
   1,705.35/2,556.72 = 1,124.00/x
3. Step 3: Cross multiply
   1,705.35x = 2,556.72 × 1,124.00
4. Step 4: Simplify right side
   1,705.35x = 2,873,740.50
5. Step 5: Solve for x
   x = 2,873,740.50/1,705.35
6. Step 6: Final answer
   x = 1,685.13