Finding the Fourth Proportional to 12,694.34, 17,518.74 and 7,029.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,694.34 : 17,518.74 = 7,029.09 : x
2. Step 2: Convert to fraction form
   12,694.34/17,518.74 = 7,029.09/x
3. Step 3: Cross multiply
   12,694.34x = 17,518.74 × 7,029.09
4. Step 4: Simplify right side
   12,694.34x = 123,140,800.15
5. Step 5: Solve for x
   x = 123,140,800.15/12,694.34
6. Step 6: Final answer
   x = 9,700.45