Finding the Fourth Proportional to 21,772.08, 30,047.22 and 12,341.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,772.08 : 30,047.22 = 12,341.25 : x
2. Step 2: Convert to fraction form
   21,772.08/30,047.22 = 12,341.25/x
3. Step 3: Cross multiply
   21,772.08x = 30,047.22 × 12,341.25
4. Step 4: Simplify right side
   21,772.08x = 370,820,253.83
5. Step 5: Solve for x
   x = 370,820,253.83/21,772.08
6. Step 6: Final answer
   x = 17,031.92