Finding the Fourth Proportional to 21,795.38, 30,077.42 and 12,364.02

Step by Step Solution

1. Step 1: Write the proportion equation
   21,795.38 : 30,077.42 = 12,364.02 : x
2. Step 2: Convert to fraction form
   21,795.38/30,077.42 = 12,364.02/x
3. Step 3: Cross multiply
   21,795.38x = 30,077.42 × 12,364.02
4. Step 4: Simplify right side
   21,795.38x = 371,877,822.43
5. Step 5: Solve for x
   x = 371,877,822.43/21,795.38
6. Step 6: Final answer
   x = 17,062.23