Finding the Fourth Proportional to 6,379.35, 8,803.31 and 3,728.22

Step by Step Solution

1. Step 1: Write the proportion equation
   6,379.35 : 8,803.31 = 3,728.22 : x
2. Step 2: Convert to fraction form
   6,379.35/8,803.31 = 3,728.22/x
3. Step 3: Cross multiply
   6,379.35x = 8,803.31 × 3,728.22
4. Step 4: Simplify right side
   6,379.35x = 32,820,657.77
5. Step 5: Solve for x
   x = 32,820,657.77/6,379.35
6. Step 6: Final answer
   x = 5,144.83