Finding the Fourth Proportional to 12,300.53, 16,974.72 and 6,711.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,300.53 : 16,974.72 = 6,711.53 : x
2. Step 2: Convert to fraction form
   12,300.53/16,974.72 = 6,711.53/x
3. Step 3: Cross multiply
   12,300.53x = 16,974.72 × 6,711.53
4. Step 4: Simplify right side
   12,300.53x = 113,926,257.65
5. Step 5: Solve for x
   x = 113,926,257.65/12,300.53
6. Step 6: Final answer
   x = 9,261.90