Finding the Fourth Proportional to 30,819.98, 42,531.26 and 16,672.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,819.98 : 42,531.26 = 16,672.52 : x
2. Step 2: Convert to fraction form
   30,819.98/42,531.26 = 16,672.52/x
3. Step 3: Cross multiply
   30,819.98x = 42,531.26 × 16,672.52
4. Step 4: Simplify right side
   30,819.98x = 709,103,282.98
5. Step 5: Solve for x
   x = 709,103,282.98/30,819.98
6. Step 6: Final answer
   x = 23,007.91