Finding the Fourth Proportional to 9,633.44, 13,284.72 and 5,857.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,633.44 : 13,284.72 = 5,857.12 : x
2. Step 2: Convert to fraction form
   9,633.44/13,284.72 = 5,857.12/x
3. Step 3: Cross multiply
   9,633.44x = 13,284.72 × 5,857.12
4. Step 4: Simplify right side
   9,633.44x = 77,810,199.21
5. Step 5: Solve for x
   x = 77,810,199.21/9,633.44
6. Step 6: Final answer
   x = 8,077.09