Finding the Fourth Proportional to 22,883.92, 31,578.12 and 12,810.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,883.92 : 31,578.12 = 12,810.04 : x
2. Step 2: Convert to fraction form
   22,883.92/31,578.12 = 12,810.04/x
3. Step 3: Cross multiply
   22,883.92x = 31,578.12 × 12,810.04
4. Step 4: Simplify right side
   22,883.92x = 404,516,980.32
5. Step 5: Solve for x
   x = 404,516,980.32/22,883.92
6. Step 6: Final answer
   x = 17,676.91