Finding the Fourth Proportional to 9,341.16, 12,890.86 and 5,149.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,341.16 : 12,890.86 = 5,149.42 : x
2. Step 2: Convert to fraction form
   9,341.16/12,890.86 = 5,149.42/x
3. Step 3: Cross multiply
   9,341.16x = 12,890.86 × 5,149.42
4. Step 4: Simplify right side
   9,341.16x = 66,380,452.30
5. Step 5: Solve for x
   x = 66,380,452.30/9,341.16
6. Step 6: Final answer
   x = 7,106.23