Finding the Fourth Proportional to 12,158.11, 16,769.86 and 7,444.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,158.11 : 16,769.86 = 7,444.72 : x
2. Step 2: Convert to fraction form
   12,158.11/16,769.86 = 7,444.72/x
3. Step 3: Cross multiply
   12,158.11x = 16,769.86 × 7,444.72
4. Step 4: Simplify right side
   12,158.11x = 124,846,912.14
5. Step 5: Solve for x
   x = 124,846,912.14/12,158.11
6. Step 6: Final answer
   x = 10,268.61