Finding the Fourth Proportional to 30,380.56, 41,913.96 and 17,800.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,380.56 : 41,913.96 = 17,800.72 : x
2. Step 2: Convert to fraction form
   30,380.56/41,913.96 = 17,800.72/x
3. Step 3: Cross multiply
   30,380.56x = 41,913.96 × 17,800.72
4. Step 4: Simplify right side
   30,380.56x = 746,098,666.05
5. Step 5: Solve for x
   x = 746,098,666.05/30,380.56
6. Step 6: Final answer
   x = 24,558.42