Finding the Fourth Proportional to 16,944.59, 23,369.10 and 13,401.65

Step by Step Solution

1. Step 1: Write the proportion equation
   16,944.59 : 23,369.10 = 13,401.65 : x
2. Step 2: Convert to fraction form
   16,944.59/23,369.10 = 13,401.65/x
3. Step 3: Cross multiply
   16,944.59x = 23,369.10 × 13,401.65
4. Step 4: Simplify right side
   16,944.59x = 313,184,499.02
5. Step 5: Solve for x
   x = 313,184,499.02/16,944.59
6. Step 6: Final answer
   x = 18,482.86