Finding the Fourth Proportional to 10,667.34, 14,720.67 and 6,191.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.34 : 14,720.67 = 6,191.46 : x
2. Step 2: Convert to fraction form
   10,667.34/14,720.67 = 6,191.46/x
3. Step 3: Cross multiply
   10,667.34x = 14,720.67 × 6,191.46
4. Step 4: Simplify right side
   10,667.34x = 91,142,439.48
5. Step 5: Solve for x
   x = 91,142,439.48/10,667.34
6. Step 6: Final answer
   x = 8,544.06