Finding the Fourth Proportional to 12,429.06, 17,152.33 and 6,839.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,429.06 : 17,152.33 = 6,839.94 : x
2. Step 2: Convert to fraction form
   12,429.06/17,152.33 = 6,839.94/x
3. Step 3: Cross multiply
   12,429.06x = 17,152.33 × 6,839.94
4. Step 4: Simplify right side
   12,429.06x = 117,320,908.06
5. Step 5: Solve for x
   x = 117,320,908.06/12,429.06
6. Step 6: Final answer
   x = 9,439.24