Finding the Fourth Proportional to 13,894.78, 19,173.01 and 7,926.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,894.78 : 19,173.01 = 7,926.09 : x
2. Step 2: Convert to fraction form
   13,894.78/19,173.01 = 7,926.09/x
3. Step 3: Cross multiply
   13,894.78x = 19,173.01 × 7,926.09
4. Step 4: Simplify right side
   13,894.78x = 151,966,983.02
5. Step 5: Solve for x
   x = 151,966,983.02/13,894.78
6. Step 6: Final answer
   x = 10,936.99