Finding the Fourth Proportional to 12,675.22, 17,491.50 and 7,371.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,675.22 : 17,491.50 = 7,371.88 : x
2. Step 2: Convert to fraction form
   12,675.22/17,491.50 = 7,371.88/x
3. Step 3: Cross multiply
   12,675.22x = 17,491.50 × 7,371.88
4. Step 4: Simplify right side
   12,675.22x = 128,945,239.02
5. Step 5: Solve for x
   x = 128,945,239.02/12,675.22
6. Step 6: Final answer
   x = 10,173.02