Finding the Fourth Proportional to 2,137.08, 3,200.22 and 1,789.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137.08 : 3,200.22 = 1,789.56 : x
2. Step 2: Convert to fraction form
   2,137.08/3,200.22 = 1,789.56/x
3. Step 3: Cross multiply
   2,137.08x = 3,200.22 × 1,789.56
4. Step 4: Simplify right side
   2,137.08x = 5,726,985.70
5. Step 5: Solve for x
   x = 5,726,985.70/2,137.08
6. Step 6: Final answer
   x = 2,679.82