Finding the Fourth Proportional to 9,131.24, 12,601.14 and 4,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.24 : 12,601.14 = 4,939.50 : x
2. Step 2: Convert to fraction form
   9,131.24/12,601.14 = 4,939.50/x
3. Step 3: Cross multiply
   9,131.24x = 12,601.14 × 4,939.50
4. Step 4: Simplify right side
   9,131.24x = 62,243,331.03
5. Step 5: Solve for x
   x = 62,243,331.03/9,131.24
6. Step 6: Final answer
   x = 6,816.53