Finding the Fourth Proportional to 12,609.94, 17,408.71 and 7,575.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,609.94 : 17,408.71 = 7,575.40 : x
2. Step 2: Convert to fraction form
   12,609.94/17,408.71 = 7,575.40/x
3. Step 3: Cross multiply
   12,609.94x = 17,408.71 × 7,575.40
4. Step 4: Simplify right side
   12,609.94x = 131,877,913.35
5. Step 5: Solve for x
   x = 131,877,913.35/12,609.94
6. Step 6: Final answer
   x = 10,458.25