Finding the Fourth Proportional to 31,654.10, 43,688.04 and 18,233.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,654.10 : 43,688.04 = 18,233.12 : x
2. Step 2: Convert to fraction form
   31,654.10/43,688.04 = 18,233.12/x
3. Step 3: Cross multiply
   31,654.10x = 43,688.04 × 18,233.12
4. Step 4: Simplify right side
   31,654.10x = 796,569,275.88
5. Step 5: Solve for x
   x = 796,569,275.88/31,654.10
6. Step 6: Final answer
   x = 25,164.81