Finding the Fourth Proportional to 12,960, 17,886.02 and 7,371

Step by Step Solution

1. Step 1: Write the proportion equation
   12,960 : 17,886.02 = 7,371 : x
2. Step 2: Convert to fraction form
   12,960/17,886.02 = 7,371/x
3. Step 3: Cross multiply
   12,960x = 17,886.02 × 7,371
4. Step 4: Simplify right side
   12,960x = 131,837,816.57
5. Step 5: Solve for x
   x = 131,837,816.57/12,960
6. Step 6: Final answer
   x = 10,172.67