Finding the Fourth Proportional to 10,667.56, 14,717.28 and 6,190.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.56 : 14,717.28 = 6,190.60 : x
2. Step 2: Convert to fraction form
   10,667.56/14,717.28 = 6,190.60/x
3. Step 3: Cross multiply
   10,667.56x = 14,717.28 × 6,190.60
4. Step 4: Simplify right side
   10,667.56x = 91,108,793.57
5. Step 5: Solve for x
   x = 91,108,793.57/10,667.56
6. Step 6: Final answer
   x = 8,540.73