Finding the Fourth Proportional to 31,663.41, 43,695.52 and 17,518.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,663.41 : 43,695.52 = 17,518.38 : x
2. Step 2: Convert to fraction form
   31,663.41/43,695.52 = 17,518.38/x
3. Step 3: Cross multiply
   31,663.41x = 43,695.52 × 17,518.38
4. Step 4: Simplify right side
   31,663.41x = 765,474,516.00
5. Step 5: Solve for x
   x = 765,474,516.00/31,663.41
6. Step 6: Final answer
   x = 24,175.37