Finding the Fourth Proportional to 21,799.94, 30,083.01 and 12,369.02

Step by Step Solution

1. Step 1: Write the proportion equation
   21,799.94 : 30,083.01 = 12,369.02 : x
2. Step 2: Convert to fraction form
   21,799.94/30,083.01 = 12,369.02/x
3. Step 3: Cross multiply
   21,799.94x = 30,083.01 × 12,369.02
4. Step 4: Simplify right side
   21,799.94x = 372,097,352.35
5. Step 5: Solve for x
   x = 372,097,352.35/21,799.94
6. Step 6: Final answer
   x = 17,068.73