Finding the Fourth Proportional to 6,688.86, 10,029.18 and 3,179.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,688.86 : 10,029.18 = 3,179.94 : x
2. Step 2: Convert to fraction form
   6,688.86/10,029.18 = 3,179.94/x
3. Step 3: Cross multiply
   6,688.86x = 10,029.18 × 3,179.94
4. Step 4: Simplify right side
   6,688.86x = 31,892,190.65
5. Step 5: Solve for x
   x = 31,892,190.65/6,688.86
6. Step 6: Final answer
   x = 4,767.96