Finding the Fourth Proportional to 22,792.03, 31,448.98 and 12,719.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,792.03 : 31,448.98 = 12,719.68 : x
2. Step 2: Convert to fraction form
   22,792.03/31,448.98 = 12,719.68/x
3. Step 3: Cross multiply
   22,792.03x = 31,448.98 × 12,719.68
4. Step 4: Simplify right side
   22,792.03x = 400,020,961.93
5. Step 5: Solve for x
   x = 400,020,961.93/22,792.03
6. Step 6: Final answer
   x = 17,550.91