Finding the Fourth Proportional to 8,971.74, 12,375.24 and 5,789.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,971.74 : 12,375.24 = 5,789.10 : x
2. Step 2: Convert to fraction form
   8,971.74/12,375.24 = 5,789.10/x
3. Step 3: Cross multiply
   8,971.74x = 12,375.24 × 5,789.10
4. Step 4: Simplify right side
   8,971.74x = 71,641,501.88
5. Step 5: Solve for x
   x = 71,641,501.88/8,971.74
6. Step 6: Final answer
   x = 7,985.24