Finding the Fourth Proportional to 30,942.36, 42,698.52 and 17,516.34

Step by Step Solution

1. Step 1: Write the proportion equation
   30,942.36 : 42,698.52 = 17,516.34 : x
2. Step 2: Convert to fraction form
   30,942.36/42,698.52 = 17,516.34/x
3. Step 3: Cross multiply
   30,942.36x = 42,698.52 × 17,516.34
4. Step 4: Simplify right side
   30,942.36x = 747,921,793.82
5. Step 5: Solve for x
   x = 747,921,793.82/30,942.36
6. Step 6: Final answer
   x = 24,171.45