Finding the Fourth Proportional to 30,819.56, 42,531.05 and 16,672.41

Step by Step Solution

1. Step 1: Write the proportion equation
   30,819.56 : 42,531.05 = 16,672.41 : x
2. Step 2: Convert to fraction form
   30,819.56/42,531.05 = 16,672.41/x
3. Step 3: Cross multiply
   30,819.56x = 42,531.05 × 16,672.41
4. Step 4: Simplify right side
   30,819.56x = 709,095,145.01
5. Step 5: Solve for x
   x = 709,095,145.01/30,819.56
6. Step 6: Final answer
   x = 23,007.96