Finding the Fourth Proportional to 12,250.76, 16,907.42 and 6,874.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,250.76 : 16,907.42 = 6,874.09 : x
2. Step 2: Convert to fraction form
   12,250.76/16,907.42 = 6,874.09/x
3. Step 3: Cross multiply
   12,250.76x = 16,907.42 × 6,874.09
4. Step 4: Simplify right side
   12,250.76x = 116,223,025.03
5. Step 5: Solve for x
   x = 116,223,025.03/12,250.76
6. Step 6: Final answer
   x = 9,487.00