Finding the Fourth Proportional to 12,388.56, 17,096.04 and 7,674

Step by Step Solution

1. Step 1: Write the proportion equation
   12,388.56 : 17,096.04 = 7,674 : x
2. Step 2: Convert to fraction form
   12,388.56/17,096.04 = 7,674/x
3. Step 3: Cross multiply
   12,388.56x = 17,096.04 × 7,674
4. Step 4: Simplify right side
   12,388.56x = 131,195,010.96
5. Step 5: Solve for x
   x = 131,195,010.96/12,388.56
6. Step 6: Final answer
   x = 10,590.01