Finding the Fourth Proportional to 9,137.25, 12,609.41 and 4,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,137.25 : 12,609.41 = 4,945.50 : x
2. Step 2: Convert to fraction form
   9,137.25/12,609.41 = 4,945.50/x
3. Step 3: Cross multiply
   9,137.25x = 12,609.41 × 4,945.50
4. Step 4: Simplify right side
   9,137.25x = 62,359,812.43
5. Step 5: Solve for x
   x = 62,359,812.43/9,137.25
6. Step 6: Final answer
   x = 6,824.79