Finding the Fourth Proportional to 34,106.38, 51,142.42 and 19,879.43

Step by Step Solution

1. Step 1: Write the proportion equation
   34,106.38 : 51,142.42 = 19,879.43 : x
2. Step 2: Convert to fraction form
   34,106.38/51,142.42 = 19,879.43/x
3. Step 3: Cross multiply
   34,106.38x = 51,142.42 × 19,879.43
4. Step 4: Simplify right side
   34,106.38x = 1,016,682,158.42
5. Step 5: Solve for x
   x = 1,016,682,158.42/34,106.38
6. Step 6: Final answer
   x = 29,809.15