Finding the Fourth Proportional to 9,137.02, 12,609.12 and 4,945.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,137.02 : 12,609.12 = 4,945.27 : x
2. Step 2: Convert to fraction form
   9,137.02/12,609.12 = 4,945.27/x
3. Step 3: Cross multiply
   9,137.02x = 12,609.12 × 4,945.27
4. Step 4: Simplify right side
   9,137.02x = 62,355,502.86
5. Step 5: Solve for x
   x = 62,355,502.86/9,137.02
6. Step 6: Final answer
   x = 6,824.49