Finding the Fourth Proportional to 12,338.15, 17,022.47 and 7,029.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,338.15 : 17,022.47 = 7,029.18 : x
2. Step 2: Convert to fraction form
   12,338.15/17,022.47 = 7,029.18/x
3. Step 3: Cross multiply
   12,338.15x = 17,022.47 × 7,029.18
4. Step 4: Simplify right side
   12,338.15x = 119,653,970.53
5. Step 5: Solve for x
   x = 119,653,970.53/12,338.15
6. Step 6: Final answer
   x = 9,697.89