Finding the Fourth Proportional to 31,093.81, 42,910.62 and 17,667.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,093.81 : 42,910.62 = 17,667.34 : x
2. Step 2: Convert to fraction form
   31,093.81/42,910.62 = 17,667.34/x
3. Step 3: Cross multiply
   31,093.81x = 42,910.62 × 17,667.34
4. Step 4: Simplify right side
   31,093.81x = 758,116,620.43
5. Step 5: Solve for x
   x = 758,116,620.43/31,093.81
6. Step 6: Final answer
   x = 24,381.59