Finding the Fourth Proportional to 16,578.51, 22,870.62 and 9,860.37

Step by Step Solution

1. Step 1: Write the proportion equation
   16,578.51 : 22,870.62 = 9,860.37 : x
2. Step 2: Convert to fraction form
   16,578.51/22,870.62 = 9,860.37/x
3. Step 3: Cross multiply
   16,578.51x = 22,870.62 × 9,860.37
4. Step 4: Simplify right side
   16,578.51x = 225,512,775.33
5. Step 5: Solve for x
   x = 225,512,775.33/16,578.51
6. Step 6: Final answer
   x = 13,602.72