Finding the Fourth Proportional to 30,936.72, 42,694.62 and 17,502.86

Step by Step Solution

1. Step 1: Write the proportion equation
   30,936.72 : 42,694.62 = 17,502.86 : x
2. Step 2: Convert to fraction form
   30,936.72/42,694.62 = 17,502.86/x
3. Step 3: Cross multiply
   30,936.72x = 42,694.62 × 17,502.86
4. Step 4: Simplify right side
   30,936.72x = 747,277,956.61
5. Step 5: Solve for x
   x = 747,277,956.61/30,936.72
6. Step 6: Final answer
   x = 24,155.05