Finding the Fourth Proportional to 31,525.89, 43,508.39 and 17,381.67

Step by Step Solution

1. Step 1: Write the proportion equation
   31,525.89 : 43,508.39 = 17,381.67 : x
2. Step 2: Convert to fraction form
   31,525.89/43,508.39 = 17,381.67/x
3. Step 3: Cross multiply
   31,525.89x = 43,508.39 × 17,381.67
4. Step 4: Simplify right side
   31,525.89x = 756,248,390.30
5. Step 5: Solve for x
   x = 756,248,390.30/31,525.89
6. Step 6: Final answer
   x = 23,988.17