Finding the Fourth Proportional to 4,491.86, 6,204.42 and 3,786.05

Step by Step Solution

1. Step 1: Write the proportion equation
   4,491.86 : 6,204.42 = 3,786.05 : x
2. Step 2: Convert to fraction form
   4,491.86/6,204.42 = 3,786.05/x
3. Step 3: Cross multiply
   4,491.86x = 6,204.42 × 3,786.05
4. Step 4: Simplify right side
   4,491.86x = 23,490,259.85
5. Step 5: Solve for x
   x = 23,490,259.85/4,491.86
6. Step 6: Final answer
   x = 5,229.52