Finding the Fourth Proportional to 9,350.37, 12,903.57 and 5,158.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,350.37 : 12,903.57 = 5,158.62 : x
2. Step 2: Convert to fraction form
   9,350.37/12,903.57 = 5,158.62/x
3. Step 3: Cross multiply
   9,350.37x = 12,903.57 × 5,158.62
4. Step 4: Simplify right side
   9,350.37x = 66,564,614.27
5. Step 5: Solve for x
   x = 66,564,614.27/9,350.37
6. Step 6: Final answer
   x = 7,118.93