Finding the Fourth Proportional to 10,967.13, 16,451.16 and 9,131.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,967.13 : 16,451.16 = 9,131.19 : x
2. Step 2: Convert to fraction form
   10,967.13/16,451.16 = 9,131.19/x
3. Step 3: Cross multiply
   10,967.13x = 16,451.16 × 9,131.19
4. Step 4: Simplify right side
   10,967.13x = 150,218,667.68
5. Step 5: Solve for x
   x = 150,218,667.68/10,967.13
6. Step 6: Final answer
   x = 13,697.17