Finding the Fourth Proportional to 12,676.30, 17,486.27 and 7,370.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,676.30 : 17,486.27 = 7,370.53 : x
2. Step 2: Convert to fraction form
   12,676.30/17,486.27 = 7,370.53/x
3. Step 3: Cross multiply
   12,676.30x = 17,486.27 × 7,370.53
4. Step 4: Simplify right side
   12,676.30x = 128,882,953.34
5. Step 5: Solve for x
   x = 128,882,953.34/12,676.30
6. Step 6: Final answer
   x = 10,167.24