Finding the Fourth Proportional to 9,667.72, 13,347.87 and 7,425.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,667.72 : 13,347.87 = 7,425.58 : x
2. Step 2: Convert to fraction form
   9,667.72/13,347.87 = 7,425.58/x
3. Step 3: Cross multiply
   9,667.72x = 13,347.87 × 7,425.58
4. Step 4: Simplify right side
   9,667.72x = 99,115,676.51
5. Step 5: Solve for x
   x = 99,115,676.51/9,667.72
6. Step 6: Final answer
   x = 10,252.23