Finding the Fourth Proportional to 14,443.78, 19,941.01 and 9,143.14

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.78 : 19,941.01 = 9,143.14 : x
2. Step 2: Convert to fraction form
   14,443.78/19,941.01 = 9,143.14/x
3. Step 3: Cross multiply
   14,443.78x = 19,941.01 × 9,143.14
4. Step 4: Simplify right side
   14,443.78x = 182,323,446.17
5. Step 5: Solve for x
   x = 182,323,446.17/14,443.78
6. Step 6: Final answer
   x = 12,622.97