Finding the Fourth Proportional to 16,785.23, 25,172.69 and 5,538.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,785.23 : 25,172.69 = 5,538.49 : x
2. Step 2: Convert to fraction form
   16,785.23/25,172.69 = 5,538.49/x
3. Step 3: Cross multiply
   16,785.23x = 25,172.69 × 5,538.49
4. Step 4: Simplify right side
   16,785.23x = 139,418,691.84
5. Step 5: Solve for x
   x = 139,418,691.84/16,785.23
6. Step 6: Final answer
   x = 8,306.03