Finding the Fourth Proportional to 9,144.91, 12,625.42 and 5,790.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,144.91 : 12,625.42 = 5,790.60 : x
2. Step 2: Convert to fraction form
   9,144.91/12,625.42 = 5,790.60/x
3. Step 3: Cross multiply
   9,144.91x = 12,625.42 × 5,790.60
4. Step 4: Simplify right side
   9,144.91x = 73,108,757.05
5. Step 5: Solve for x
   x = 73,108,757.05/9,144.91
6. Step 6: Final answer
   x = 7,994.48