Finding the Fourth Proportional to 31,102.72, 42,922.89 and 17,676.23

Step by Step Solution

1. Step 1: Write the proportion equation
   31,102.72 : 42,922.89 = 17,676.23 : x
2. Step 2: Convert to fraction form
   31,102.72/42,922.89 = 17,676.23/x
3. Step 3: Cross multiply
   31,102.72x = 42,922.89 × 17,676.23
4. Step 4: Simplify right side
   31,102.72x = 758,714,661.29
5. Step 5: Solve for x
   x = 758,714,661.29/31,102.72
6. Step 6: Final answer
   x = 24,393.84