Finding the Fourth Proportional to 6,931.17, 10,389.06 and 3,234.33

Step by Step Solution

1. Step 1: Write the proportion equation
   6,931.17 : 10,389.06 = 3,234.33 : x
2. Step 2: Convert to fraction form
   6,931.17/10,389.06 = 3,234.33/x
3. Step 3: Cross multiply
   6,931.17x = 10,389.06 × 3,234.33
4. Step 4: Simplify right side
   6,931.17x = 33,601,648.43
5. Step 5: Solve for x
   x = 33,601,648.43/6,931.17
6. Step 6: Final answer
   x = 4,847.90