Finding the Fourth Proportional to 9,725.43, 13,408.62 and 7,459.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,725.43 : 13,408.62 = 7,459.32 : x
2. Step 2: Convert to fraction form
   9,725.43/13,408.62 = 7,459.32/x
3. Step 3: Cross multiply
   9,725.43x = 13,408.62 × 7,459.32
4. Step 4: Simplify right side
   9,725.43x = 100,019,187.34
5. Step 5: Solve for x
   x = 100,019,187.34/9,725.43
6. Step 6: Final answer
   x = 10,284.29