Finding the Fourth Proportional to 9,375.05, 12,937.55 and 5,183.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,375.05 : 12,937.55 = 5,183.30 : x
2. Step 2: Convert to fraction form
   9,375.05/12,937.55 = 5,183.30/x
3. Step 3: Cross multiply
   9,375.05x = 12,937.55 × 5,183.30
4. Step 4: Simplify right side
   9,375.05x = 67,059,112.31
5. Step 5: Solve for x
   x = 67,059,112.31/9,375.05
6. Step 6: Final answer
   x = 7,152.94