Finding the Fourth Proportional to 12,150.59, 16,769.16 and 7,674.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150.59 : 16,769.16 = 7,674.12 : x
2. Step 2: Convert to fraction form
   12,150.59/16,769.16 = 7,674.12/x
3. Step 3: Cross multiply
   12,150.59x = 16,769.16 × 7,674.12
4. Step 4: Simplify right side
   12,150.59x = 128,688,546.14
5. Step 5: Solve for x
   x = 128,688,546.14/12,150.59
6. Step 6: Final answer
   x = 10,591.14