Finding the Fourth Proportional to 31,111.84, 42,933.27 and 17,682.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,111.84 : 42,933.27 = 17,682.86 : x
2. Step 2: Convert to fraction form
   31,111.84/42,933.27 = 17,682.86/x
3. Step 3: Cross multiply
   31,111.84x = 42,933.27 × 17,682.86
4. Step 4: Simplify right side
   31,111.84x = 759,183,002.75
5. Step 5: Solve for x
   x = 759,183,002.75/31,111.84
6. Step 6: Final answer
   x = 24,401.74