Finding the Fourth Proportional to 9,147.34, 12,613.31 and 5,954.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,147.34 : 12,613.31 = 5,954.75 : x
2. Step 2: Convert to fraction form
   9,147.34/12,613.31 = 5,954.75/x
3. Step 3: Cross multiply
   9,147.34x = 12,613.31 × 5,954.75
4. Step 4: Simplify right side
   9,147.34x = 75,109,078.91
5. Step 5: Solve for x
   x = 75,109,078.91/9,147.34
6. Step 6: Final answer
   x = 8,211.03