Finding the Fourth Proportional to 28,636.18, 39,517.89 and 16,060.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,636.18 : 39,517.89 = 16,060.82 : x
2. Step 2: Convert to fraction form
   28,636.18/39,517.89 = 16,060.82/x
3. Step 3: Cross multiply
   28,636.18x = 39,517.89 × 16,060.82
4. Step 4: Simplify right side
   28,636.18x = 634,689,718.07
5. Step 5: Solve for x
   x = 634,689,718.07/28,636.18
6. Step 6: Final answer
   x = 22,163.91