Finding the Fourth Proportional to 22,884.03, 31,578.43 and 12,810.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,884.03 : 31,578.43 = 12,810.77 : x
2. Step 2: Convert to fraction form
   22,884.03/31,578.43 = 12,810.77/x
3. Step 3: Cross multiply
   22,884.03x = 31,578.43 × 12,810.77
4. Step 4: Simplify right side
   22,884.03x = 404,544,003.69
5. Step 5: Solve for x
   x = 404,544,003.69/22,884.03
6. Step 6: Final answer
   x = 17,678.01