Finding the Fourth Proportional to 10,667.04, 14,720.96 and 6,190.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,667.04 : 14,720.96 = 6,190.72 : x
2. Step 2: Convert to fraction form
   10,667.04/14,720.96 = 6,190.72/x
3. Step 3: Cross multiply
   10,667.04x = 14,720.96 × 6,190.72
4. Step 4: Simplify right side
   10,667.04x = 91,133,341.49
5. Step 5: Solve for x
   x = 91,133,341.49/10,667.04
6. Step 6: Final answer
   x = 8,543.45