Finding the Fourth Proportional to 8,987.86, 12,399.06 and 5,800.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,987.86 : 12,399.06 = 5,800.33 : x
2. Step 2: Convert to fraction form
   8,987.86/12,399.06 = 5,800.33/x
3. Step 3: Cross multiply
   8,987.86x = 12,399.06 × 5,800.33
4. Step 4: Simplify right side
   8,987.86x = 71,918,639.69
5. Step 5: Solve for x
   x = 71,918,639.69/8,987.86
6. Step 6: Final answer
   x = 8,001.75