Finding the Fourth Proportional to 6,105.32, 9,143.73 and 4,457.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.32 : 9,143.73 = 4,457.78 : x
2. Step 2: Convert to fraction form
   6,105.32/9,143.73 = 4,457.78/x
3. Step 3: Cross multiply
   6,105.32x = 9,143.73 × 4,457.78
4. Step 4: Simplify right side
   6,105.32x = 40,760,691.00
5. Step 5: Solve for x
   x = 40,760,691.00/6,105.32
6. Step 6: Final answer
   x = 6,676.26