Finding the Fourth Proportional to 31,106.67, 42,925.35 and 17,676.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,106.67 : 42,925.35 = 17,676.06 : x
2. Step 2: Convert to fraction form
   31,106.67/42,925.35 = 17,676.06/x
3. Step 3: Cross multiply
   31,106.67x = 42,925.35 × 17,676.06
4. Step 4: Simplify right side
   31,106.67x = 758,750,879.06
5. Step 5: Solve for x
   x = 758,750,879.06/31,106.67
6. Step 6: Final answer
   x = 24,391.91