Finding the Fourth Proportional to 31,304.75, 43,200.56 and 18,056.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,304.75 : 43,200.56 = 18,056.75 : x
2. Step 2: Convert to fraction form
   31,304.75/43,200.56 = 18,056.75/x
3. Step 3: Cross multiply
   31,304.75x = 43,200.56 × 18,056.75
4. Step 4: Simplify right side
   31,304.75x = 780,061,711.78
5. Step 5: Solve for x
   x = 780,061,711.78/31,304.75
6. Step 6: Final answer
   x = 24,918.32