Finding the Fourth Proportional to 13,016.12, 17,956.38 and 9,046.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,016.12 : 17,956.38 = 9,046.76 : x
2. Step 2: Convert to fraction form
   13,016.12/17,956.38 = 9,046.76/x
3. Step 3: Cross multiply
   13,016.12x = 17,956.38 × 9,046.76
4. Step 4: Simplify right side
   13,016.12x = 162,447,060.33
5. Step 5: Solve for x
   x = 162,447,060.33/13,016.12
6. Step 6: Final answer
   x = 12,480.45