Finding the Fourth Proportional to 9,575.37, 13,212.59 and 5,382.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,575.37 : 13,212.59 = 5,382.81 : x
2. Step 2: Convert to fraction form
   9,575.37/13,212.59 = 5,382.81/x
3. Step 3: Cross multiply
   9,575.37x = 13,212.59 × 5,382.81
4. Step 4: Simplify right side
   9,575.37x = 71,120,834.66
5. Step 5: Solve for x
   x = 71,120,834.66/9,575.37
6. Step 6: Final answer
   x = 7,427.48