Finding the Fourth Proportional to 9,374.72, 12,937.20 and 5,183.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,374.72 : 12,937.20 = 5,183.04 : x
2. Step 2: Convert to fraction form
   9,374.72/12,937.20 = 5,183.04/x
3. Step 3: Cross multiply
   9,374.72x = 12,937.20 × 5,183.04
4. Step 4: Simplify right side
   9,374.72x = 67,054,025.09
5. Step 5: Solve for x
   x = 67,054,025.09/9,374.72
6. Step 6: Final answer
   x = 7,152.64