Finding the Fourth Proportional to 45,979.94, 68,964.69 and 12,704.72

Step by Step Solution

1. Step 1: Write the proportion equation
   45,979.94 : 68,964.69 = 12,704.72 : x
2. Step 2: Convert to fraction form
   45,979.94/68,964.69 = 12,704.72/x
3. Step 3: Cross multiply
   45,979.94x = 68,964.69 × 12,704.72
4. Step 4: Simplify right side
   45,979.94x = 876,177,076.34
5. Step 5: Solve for x
   x = 876,177,076.34/45,979.94
6. Step 6: Final answer
   x = 19,055.64