Finding the Fourth Proportional to 9,574.12, 13,212.30 and 5,382.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,574.12 : 13,212.30 = 5,382.38 : x
2. Step 2: Convert to fraction form
   9,574.12/13,212.30 = 5,382.38/x
3. Step 3: Cross multiply
   9,574.12x = 13,212.30 × 5,382.38
4. Step 4: Simplify right side
   9,574.12x = 71,113,619.27
5. Step 5: Solve for x
   x = 71,113,619.27/9,574.12
6. Step 6: Final answer
   x = 7,427.69