Finding the Fourth Proportional to 12,844, 17,724.72 and 6,956

Step by Step Solution

1. Step 1: Write the proportion equation
   12,844 : 17,724.72 = 6,956 : x
2. Step 2: Convert to fraction form
   12,844/17,724.72 = 6,956/x
3. Step 3: Cross multiply
   12,844x = 17,724.72 × 6,956
4. Step 4: Simplify right side
   12,844x = 123,293,152.32
5. Step 5: Solve for x
   x = 123,293,152.32/12,844
6. Step 6: Final answer
   x = 9,599.28