Finding the Fourth Proportional to 10,144.57, 15,195.89 and 5,971.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.57 : 15,195.89 = 5,971.72 : x
2. Step 2: Convert to fraction form
   10,144.57/15,195.89 = 5,971.72/x
3. Step 3: Cross multiply
   10,144.57x = 15,195.89 × 5,971.72
4. Step 4: Simplify right side
   10,144.57x = 90,745,577.17
5. Step 5: Solve for x
   x = 90,745,577.17/10,144.57
6. Step 6: Final answer
   x = 8,945.24