Finding the Fourth Proportional to 31,093.75, 42,910.38 and 17,664.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,093.75 : 42,910.38 = 17,664.76 : x
2. Step 2: Convert to fraction form
   31,093.75/42,910.38 = 17,664.76/x
3. Step 3: Cross multiply
   31,093.75x = 42,910.38 × 17,664.76
4. Step 4: Simplify right side
   31,093.75x = 758,001,261.33
5. Step 5: Solve for x
   x = 758,001,261.33/31,093.75
6. Step 6: Final answer
   x = 24,377.93