Finding the Fourth Proportional to 9,573.96, 13,212.18 and 5,382.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,573.96 : 13,212.18 = 5,382.12 : x
2. Step 2: Convert to fraction form
   9,573.96/13,212.18 = 5,382.12/x
3. Step 3: Cross multiply
   9,573.96x = 13,212.18 × 5,382.12
4. Step 4: Simplify right side
   9,573.96x = 71,109,538.22
5. Step 5: Solve for x
   x = 71,109,538.22/9,573.96
6. Step 6: Final answer
   x = 7,427.39