Finding the Fourth Proportional to 31,146.46, 42,982.61 and 17,717.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,146.46 : 42,982.61 = 17,717.83 : x
2. Step 2: Convert to fraction form
   31,146.46/42,982.61 = 17,717.83/x
3. Step 3: Cross multiply
   31,146.46x = 42,982.61 × 17,717.83
4. Step 4: Simplify right side
   31,146.46x = 761,558,576.94
5. Step 5: Solve for x
   x = 761,558,576.94/31,146.46
6. Step 6: Final answer
   x = 24,450.89