Finding the Fourth Proportional to 9,573.14, 13,212.12 and 5,381.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,573.14 : 13,212.12 = 5,381.39 : x
2. Step 2: Convert to fraction form
   9,573.14/13,212.12 = 5,381.39/x
3. Step 3: Cross multiply
   9,573.14x = 13,212.12 × 5,381.39
4. Step 4: Simplify right side
   9,573.14x = 71,099,570.45
5. Step 5: Solve for x
   x = 71,099,570.45/9,573.14
6. Step 6: Final answer
   x = 7,426.99