Finding the Fourth Proportional to 16,923.78, 23,357.25 and 9,854.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,923.78 : 23,357.25 = 9,854.10 : x
2. Step 2: Convert to fraction form
   16,923.78/23,357.25 = 9,854.10/x
3. Step 3: Cross multiply
   16,923.78x = 23,357.25 × 9,854.10
4. Step 4: Simplify right side
   16,923.78x = 230,164,677.23
5. Step 5: Solve for x
   x = 230,164,677.23/16,923.78
6. Step 6: Final answer
   x = 13,600.07