Finding the Fourth Proportional to 16,788.64, 23,171.52 and 10,079.68

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788.64 : 23,171.52 = 10,079.68 : x
2. Step 2: Convert to fraction form
   16,788.64/23,171.52 = 10,079.68/x
3. Step 3: Cross multiply
   16,788.64x = 23,171.52 × 10,079.68
4. Step 4: Simplify right side
   16,788.64x = 233,561,506.71
5. Step 5: Solve for x
   x = 233,561,506.71/16,788.64
6. Step 6: Final answer
   x = 13,911.88