Finding the Fourth Proportional to 31,654.56, 43,681.46 and 17,311.60

Step by Step Solution

1. Step 1: Write the proportion equation
   31,654.56 : 43,681.46 = 17,311.60 : x
2. Step 2: Convert to fraction form
   31,654.56/43,681.46 = 17,311.60/x
3. Step 3: Cross multiply
   31,654.56x = 43,681.46 × 17,311.60
4. Step 4: Simplify right side
   31,654.56x = 756,195,744.53
5. Step 5: Solve for x
   x = 756,195,744.53/31,654.56
6. Step 6: Final answer
   x = 23,889.00