Finding the Fourth Proportional to 13,259.67, 18,298.31 and 7,596.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,259.67 : 18,298.31 = 7,596.25 : x
2. Step 2: Convert to fraction form
   13,259.67/18,298.31 = 7,596.25/x
3. Step 3: Cross multiply
   13,259.67x = 18,298.31 × 7,596.25
4. Step 4: Simplify right side
   13,259.67x = 138,998,537.34
5. Step 5: Solve for x
   x = 138,998,537.34/13,259.67
6. Step 6: Final answer
   x = 10,482.81