Finding the Fourth Proportional to 16,675.29, 23,018.99 and 10,390.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,675.29 : 23,018.99 = 10,390.77 : x
2. Step 2: Convert to fraction form
   16,675.29/23,018.99 = 10,390.77/x
3. Step 3: Cross multiply
   16,675.29x = 23,018.99 × 10,390.77
4. Step 4: Simplify right side
   16,675.29x = 239,184,978.77
5. Step 5: Solve for x
   x = 239,184,978.77/16,675.29
6. Step 6: Final answer
   x = 14,343.68