Finding the Fourth Proportional to 12,984.26, 17,926.83 and 9,994.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,984.26 : 17,926.83 = 9,994.82 : x
2. Step 2: Convert to fraction form
   12,984.26/17,926.83 = 9,994.82/x
3. Step 3: Cross multiply
   12,984.26x = 17,926.83 × 9,994.82
4. Step 4: Simplify right side
   12,984.26x = 179,175,439.02
5. Step 5: Solve for x
   x = 179,175,439.02/12,984.26
6. Step 6: Final answer
   x = 13,799.43