Finding the Fourth Proportional to 16,017.84, 22,120.56 and 13,646.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,017.84 : 22,120.56 = 13,646.16 : x
2. Step 2: Convert to fraction form
   16,017.84/22,120.56 = 13,646.16/x
3. Step 3: Cross multiply
   16,017.84x = 22,120.56 × 13,646.16
4. Step 4: Simplify right side
   16,017.84x = 301,860,701.05
5. Step 5: Solve for x
   x = 301,860,701.05/16,017.84
6. Step 6: Final answer
   x = 18,845.28