Finding the Fourth Proportional to 12,694.93, 17,518.15 and 7,029.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,694.93 : 17,518.15 = 7,029.28 : x
2. Step 2: Convert to fraction form
   12,694.93/17,518.15 = 7,029.28/x
3. Step 3: Cross multiply
   12,694.93x = 17,518.15 × 7,029.28
4. Step 4: Simplify right side
   12,694.93x = 123,139,981.43
5. Step 5: Solve for x
   x = 123,139,981.43/12,694.93
6. Step 6: Final answer
   x = 9,699.93