Finding the Fourth Proportional to 28,637.18, 39,519.27 and 16,061.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,637.18 : 39,519.27 = 16,061.82 : x
2. Step 2: Convert to fraction form
   28,637.18/39,519.27 = 16,061.82/x
3. Step 3: Cross multiply
   28,637.18x = 39,519.27 × 16,061.82
4. Step 4: Simplify right side
   28,637.18x = 634,751,401.27
5. Step 5: Solve for x
   x = 634,751,401.27/28,637.18
6. Step 6: Final answer
   x = 22,165.29