Finding the Fourth Proportional to 31,093.56, 42,910.28 and 17,667.09

Step by Step Solution

1. Step 1: Write the proportion equation
   31,093.56 : 42,910.28 = 17,667.09 : x
2. Step 2: Convert to fraction form
   31,093.56/42,910.28 = 17,667.09/x
3. Step 3: Cross multiply
   31,093.56x = 42,910.28 × 17,667.09
4. Step 4: Simplify right side
   31,093.56x = 758,099,797.63
5. Step 5: Solve for x
   x = 758,099,797.63/31,093.56
6. Step 6: Final answer
   x = 24,381.25