Finding the Fourth Proportional to 8,707.83, 12,020.24 and 5,876.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,707.83 : 12,020.24 = 5,876.88 : x
2. Step 2: Convert to fraction form
   8,707.83/12,020.24 = 5,876.88/x
3. Step 3: Cross multiply
   8,707.83x = 12,020.24 × 5,876.88
4. Step 4: Simplify right side
   8,707.83x = 70,641,508.05
5. Step 5: Solve for x
   x = 70,641,508.05/8,707.83
6. Step 6: Final answer
   x = 8,112.41