Finding the Fourth Proportional to 3,589.98, 5,380.91 and 1,830.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,589.98 : 5,380.91 = 1,830.05 : x
2. Step 2: Convert to fraction form
   3,589.98/5,380.91 = 1,830.05/x
3. Step 3: Cross multiply
   3,589.98x = 5,380.91 × 1,830.05
4. Step 4: Simplify right side
   3,589.98x = 9,847,298.29
5. Step 5: Solve for x
   x = 9,847,298.29/3,589.98
6. Step 6: Final answer
   x = 2,743.00