Finding the Fourth Proportional to 1,789.92, 2,683.74 and 1,059.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.92 : 2,683.74 = 1,059.72 : x
2. Step 2: Convert to fraction form
   1,789.92/2,683.74 = 1,059.72/x
3. Step 3: Cross multiply
   1,789.92x = 2,683.74 × 1,059.72
4. Step 4: Simplify right side
   1,789.92x = 2,844,012.95
5. Step 5: Solve for x
   x = 2,844,012.95/1,789.92
6. Step 6: Final answer
   x = 1,588.91