Finding the Fourth Proportional to 10,667.75, 14,716.80 and 10,173.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.75 : 14,716.80 = 10,173.65 : x
2. Step 2: Convert to fraction form
   10,667.75/14,716.80 = 10,173.65/x
3. Step 3: Cross multiply
   10,667.75x = 14,716.80 × 10,173.65
4. Step 4: Simplify right side
   10,667.75x = 149,723,498.74
5. Step 5: Solve for x
   x = 149,723,498.74/10,667.75
6. Step 6: Final answer
   x = 14,035.16