Finding the Fourth Proportional to 33,719.74, 50,608.76 and 12,957.82

Step by Step Solution

1. Step 1: Write the proportion equation
   33,719.74 : 50,608.76 = 12,957.82 : x
2. Step 2: Convert to fraction form
   33,719.74/50,608.76 = 12,957.82/x
3. Step 3: Cross multiply
   33,719.74x = 50,608.76 × 12,957.82
4. Step 4: Simplify right side
   33,719.74x = 655,779,108.38
5. Step 5: Solve for x
   x = 655,779,108.38/33,719.74
6. Step 6: Final answer
   x = 19,447.93