Finding the Fourth Proportional to 6,887.76, 10,329.25 and 2,938.86

Step by Step Solution

1. Step 1: Write the proportion equation
   6,887.76 : 10,329.25 = 2,938.86 : x
2. Step 2: Convert to fraction form
   6,887.76/10,329.25 = 2,938.86/x
3. Step 3: Cross multiply
   6,887.76x = 10,329.25 × 2,938.86
4. Step 4: Simplify right side
   6,887.76x = 30,356,180.50
5. Step 5: Solve for x
   x = 30,356,180.50/6,887.76
6. Step 6: Final answer
   x = 4,407.27