Finding the Fourth Proportional to 5,726.86, 8,590.83 and 1,830.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,726.86 : 8,590.83 = 1,830.34 : x
2. Step 2: Convert to fraction form
   5,726.86/8,590.83 = 1,830.34/x
3. Step 3: Cross multiply
   5,726.86x = 8,590.83 × 1,830.34
4. Step 4: Simplify right side
   5,726.86x = 15,724,139.78
5. Step 5: Solve for x
   x = 15,724,139.78/5,726.86
6. Step 6: Final answer
   x = 2,745.68