Finding the Fourth Proportional to 13,031.38, 17,998.15 and 8,832.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,031.38 : 17,998.15 = 8,832.34 : x
2. Step 2: Convert to fraction form
   13,031.38/17,998.15 = 8,832.34/x
3. Step 3: Cross multiply
   13,031.38x = 17,998.15 × 8,832.34
4. Step 4: Simplify right side
   13,031.38x = 158,965,780.17
5. Step 5: Solve for x
   x = 158,965,780.17/13,031.38
6. Step 6: Final answer
   x = 12,198.69