Finding the Fourth Proportional to 21,967, 30,319.93 and 12,541.03

Step by Step Solution

1. Step 1: Write the proportion equation
   21,967 : 30,319.93 = 12,541.03 : x
2. Step 2: Convert to fraction form
   21,967/30,319.93 = 12,541.03/x
3. Step 3: Cross multiply
   21,967x = 30,319.93 × 12,541.03
4. Step 4: Simplify right side
   21,967x = 380,243,151.73
5. Step 5: Solve for x
   x = 380,243,151.73/21,967
6. Step 6: Final answer
   x = 17,309.74