Finding the Fourth Proportional to 16,713.86, 23,065.36 and 9,160.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,713.86 : 23,065.36 = 9,160.88 : x
2. Step 2: Convert to fraction form
   16,713.86/23,065.36 = 9,160.88/x
3. Step 3: Cross multiply
   16,713.86x = 23,065.36 × 9,160.88
4. Step 4: Simplify right side
   16,713.86x = 211,298,856.89
5. Step 5: Solve for x
   x = 211,298,856.89/16,713.86
6. Step 6: Final answer
   x = 12,642.14