Finding the Fourth Proportional to 5,826.34, 8,740.82 and 2,128.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,826.34 : 8,740.82 = 2,128.59 : x
2. Step 2: Convert to fraction form
   5,826.34/8,740.82 = 2,128.59/x
3. Step 3: Cross multiply
   5,826.34x = 8,740.82 × 2,128.59
4. Step 4: Simplify right side
   5,826.34x = 18,605,627.37
5. Step 5: Solve for x
   x = 18,605,627.37/5,826.34
6. Step 6: Final answer
   x = 3,193.37