Finding the Fourth Proportional to 16,784.98, 25,172.31 and 5,538.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,784.98 : 25,172.31 = 5,538.24 : x
2. Step 2: Convert to fraction form
   16,784.98/25,172.31 = 5,538.24/x
3. Step 3: Cross multiply
   16,784.98x = 25,172.31 × 5,538.24
4. Step 4: Simplify right side
   16,784.98x = 139,410,294.13
5. Step 5: Solve for x
   x = 139,410,294.13/16,784.98
6. Step 6: Final answer
   x = 8,305.66