Finding the Fourth Proportional to 28,675.98, 39,572.82 and 16,100.73

Step by Step Solution

1. Step 1: Write the proportion equation
   28,675.98 : 39,572.82 = 16,100.73 : x
2. Step 2: Convert to fraction form
   28,675.98/39,572.82 = 16,100.73/x
3. Step 3: Cross multiply
   28,675.98x = 39,572.82 × 16,100.73
4. Step 4: Simplify right side
   28,675.98x = 637,151,290.16
5. Step 5: Solve for x
   x = 637,151,290.16/28,675.98
6. Step 6: Final answer
   x = 22,218.99