Finding the Fourth Proportional to 9,393.28, 12,962.56 and 5,667.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,393.28 : 12,962.56 = 5,667.28 : x
2. Step 2: Convert to fraction form
   9,393.28/12,962.56 = 5,667.28/x
3. Step 3: Cross multiply
   9,393.28x = 12,962.56 × 5,667.28
4. Step 4: Simplify right side
   9,393.28x = 73,462,457.04
5. Step 5: Solve for x
   x = 73,462,457.04/9,393.28
6. Step 6: Final answer
   x = 7,820.75