Finding the Fourth Proportional to 12,419.41, 17,127.03 and 7,944.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,419.41 : 17,127.03 = 7,944.58 : x
2. Step 2: Convert to fraction form
   12,419.41/17,127.03 = 7,944.58/x
3. Step 3: Cross multiply
   12,419.41x = 17,127.03 × 7,944.58
4. Step 4: Simplify right side
   12,419.41x = 136,067,060.00
5. Step 5: Solve for x
   x = 136,067,060.00/12,419.41
6. Step 6: Final answer
   x = 10,956.00