Finding the Fourth Proportional to 12,742.43, 17,601.37 and 10,624.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,742.43 : 17,601.37 = 10,624.88 : x
2. Step 2: Convert to fraction form
   12,742.43/17,601.37 = 10,624.88/x
3. Step 3: Cross multiply
   12,742.43x = 17,601.37 × 10,624.88
4. Step 4: Simplify right side
   12,742.43x = 187,012,461.53
5. Step 5: Solve for x
   x = 187,012,461.53/12,742.43
6. Step 6: Final answer
   x = 14,676.36