Finding the Fourth Proportional to 16,829.82, 23,254.02 and 13,319.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,829.82 : 23,254.02 = 13,319.69 : x
2. Step 2: Convert to fraction form
   16,829.82/23,254.02 = 13,319.69/x
3. Step 3: Cross multiply
   16,829.82x = 23,254.02 × 13,319.69
4. Step 4: Simplify right side
   16,829.82x = 309,736,221.38
5. Step 5: Solve for x
   x = 309,736,221.38/16,829.82
6. Step 6: Final answer
   x = 18,404.01