Finding the Fourth Proportional to 8,945.50, 12,344.80 and 5,801.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,945.50 : 12,344.80 = 5,801.72 : x
2. Step 2: Convert to fraction form
   8,945.50/12,344.80 = 5,801.72/x
3. Step 3: Cross multiply
   8,945.50x = 12,344.80 × 5,801.72
4. Step 4: Simplify right side
   8,945.50x = 71,621,073.06
5. Step 5: Solve for x
   x = 71,621,073.06/8,945.50
6. Step 6: Final answer
   x = 8,006.38