Finding the Fourth Proportional to 11,419.72, 17,127.05 and 3,922.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,419.72 : 17,127.05 = 3,922.43 : x
2. Step 2: Convert to fraction form
   11,419.72/17,127.05 = 3,922.43/x
3. Step 3: Cross multiply
   11,419.72x = 17,127.05 × 3,922.43
4. Step 4: Simplify right side
   11,419.72x = 67,179,549.48
5. Step 5: Solve for x
   x = 67,179,549.48/11,419.72
6. Step 6: Final answer
   x = 5,882.77