Finding the Fourth Proportional to 1,789.54, 2,683.98 and 556.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.54 : 2,683.98 = 556.72 : x
2. Step 2: Convert to fraction form
   1,789.54/2,683.98 = 556.72/x
3. Step 3: Cross multiply
   1,789.54x = 2,683.98 × 556.72
4. Step 4: Simplify right side
   1,789.54x = 1,494,225.35
5. Step 5: Solve for x
   x = 1,494,225.35/1,789.54
6. Step 6: Final answer
   x = 834.98