Finding the Fourth Proportional to 31,815.54, 43,905.81 and 17,475.72

Step by Step Solution

1. Step 1: Write the proportion equation
   31,815.54 : 43,905.81 = 17,475.72 : x
2. Step 2: Convert to fraction form
   31,815.54/43,905.81 = 17,475.72/x
3. Step 3: Cross multiply
   31,815.54x = 43,905.81 × 17,475.72
4. Step 4: Simplify right side
   31,815.54x = 767,285,542.82
5. Step 5: Solve for x
   x = 767,285,542.82/31,815.54
6. Step 6: Final answer
   x = 24,116.69