Finding the Fourth Proportional to 16,878.54, 23,293.71 and 9,325.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,878.54 : 23,293.71 = 9,325.56 : x
2. Step 2: Convert to fraction form
   16,878.54/23,293.71 = 9,325.56/x
3. Step 3: Cross multiply
   16,878.54x = 23,293.71 × 9,325.56
4. Step 4: Simplify right side
   16,878.54x = 217,226,890.23
5. Step 5: Solve for x
   x = 217,226,890.23/16,878.54
6. Step 6: Final answer
   x = 12,870.00