Finding the Fourth Proportional to 6,719.59, 9,273.59 and 3,887.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,719.59 : 9,273.59 = 3,887.94 : x
2. Step 2: Convert to fraction form
   6,719.59/9,273.59 = 3,887.94/x
3. Step 3: Cross multiply
   6,719.59x = 9,273.59 × 3,887.94
4. Step 4: Simplify right side
   6,719.59x = 36,055,161.50
5. Step 5: Solve for x
   x = 36,055,161.50/6,719.59
6. Step 6: Final answer
   x = 5,365.68