Finding the Fourth Proportional to 8,589.74, 12,883.89 and 5,834.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,589.74 : 12,883.89 = 5,834.12 : x
2. Step 2: Convert to fraction form
   8,589.74/12,883.89 = 5,834.12/x
3. Step 3: Cross multiply
   8,589.74x = 12,883.89 × 5,834.12
4. Step 4: Simplify right side
   8,589.74x = 75,166,160.33
5. Step 5: Solve for x
   x = 75,166,160.33/8,589.74
6. Step 6: Final answer
   x = 8,750.69