Finding the Fourth Proportional to 22,875.40, 31,568.16 and 12,804.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,875.40 : 31,568.16 = 12,804.04 : x
2. Step 2: Convert to fraction form
   22,875.40/31,568.16 = 12,804.04/x
3. Step 3: Cross multiply
   22,875.40x = 31,568.16 × 12,804.04
4. Step 4: Simplify right side
   22,875.40x = 404,200,070.84
5. Step 5: Solve for x
   x = 404,200,070.84/22,875.40
6. Step 6: Final answer
   x = 17,669.64