Finding the Fourth Proportional to 12,300.38, 16,974.58 and 6,711.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300.38 : 16,974.58 = 6,711.50 : x
2. Step 2: Convert to fraction form
   12,300.38/16,974.58 = 6,711.50/x
3. Step 3: Cross multiply
   12,300.38x = 16,974.58 × 6,711.50
4. Step 4: Simplify right side
   12,300.38x = 113,924,893.67
5. Step 5: Solve for x
   x = 113,924,893.67/12,300.38
6. Step 6: Final answer
   x = 9,261.90