Finding the Fourth Proportional to 15,667.41, 21,605.09 and 10,363.94

Step by Step Solution

1. Step 1: Write the proportion equation
   15,667.41 : 21,605.09 = 10,363.94 : x
2. Step 2: Convert to fraction form
   15,667.41/21,605.09 = 10,363.94/x
3. Step 3: Cross multiply
   15,667.41x = 21,605.09 × 10,363.94
4. Step 4: Simplify right side
   15,667.41x = 223,913,856.45
5. Step 5: Solve for x
   x = 223,913,856.45/15,667.41
6. Step 6: Final answer
   x = 14,291.70