Finding the Fourth Proportional to 6,373.56, 8,793.90 and 3,719.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,373.56 : 8,793.90 = 3,719.28 : x
2. Step 2: Convert to fraction form
   6,373.56/8,793.90 = 3,719.28/x
3. Step 3: Cross multiply
   6,373.56x = 8,793.90 × 3,719.28
4. Step 4: Simplify right side
   6,373.56x = 32,706,976.39
5. Step 5: Solve for x
   x = 32,706,976.39/6,373.56
6. Step 6: Final answer
   x = 5,131.67