Finding the Fourth Proportional to 7,540.76, 10,406.76 and 4,183.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,540.76 : 10,406.76 = 4,183.89 : x
2. Step 2: Convert to fraction form
   7,540.76/10,406.76 = 4,183.89/x
3. Step 3: Cross multiply
   7,540.76x = 10,406.76 × 4,183.89
4. Step 4: Simplify right side
   7,540.76x = 43,540,739.10
5. Step 5: Solve for x
   x = 43,540,739.10/7,540.76
6. Step 6: Final answer
   x = 5,774.06