Finding the Fourth Proportional to 16,792.88, 23,173.80 and 9,719.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,792.88 : 23,173.80 = 9,719.16 : x
2. Step 2: Convert to fraction form
   16,792.88/23,173.80 = 9,719.16/x
3. Step 3: Cross multiply
   16,792.88x = 23,173.80 × 9,719.16
4. Step 4: Simplify right side
   16,792.88x = 225,229,870.01
5. Step 5: Solve for x
   x = 225,229,870.01/16,792.88
6. Step 6: Final answer
   x = 13,412.22