Finding the Fourth Proportional to 12,341.62, 17,034.60 and 7,623.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,341.62 : 17,034.60 = 7,623.20 : x
2. Step 2: Convert to fraction form
   12,341.62/17,034.60 = 7,623.20/x
3. Step 3: Cross multiply
   12,341.62x = 17,034.60 × 7,623.20
4. Step 4: Simplify right side
   12,341.62x = 129,858,162.72
5. Step 5: Solve for x
   x = 129,858,162.72/12,341.62
6. Step 6: Final answer
   x = 10,521.97