Finding the Fourth Proportional to 31,688.38, 43,730.31 and 17,541.46

Step by Step Solution

1. Step 1: Write the proportion equation
   31,688.38 : 43,730.31 = 17,541.46 : x
2. Step 2: Convert to fraction form
   31,688.38/43,730.31 = 17,541.46/x
3. Step 3: Cross multiply
   31,688.38x = 43,730.31 × 17,541.46
4. Step 4: Simplify right side
   31,688.38x = 767,093,483.65
5. Step 5: Solve for x
   x = 767,093,483.65/31,688.38
6. Step 6: Final answer
   x = 24,207.41