Finding the Fourth Proportional to 11,367.78, 17,053.86 and 3,974.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,367.78 : 17,053.86 = 3,974.34 : x
2. Step 2: Convert to fraction form
   11,367.78/17,053.86 = 3,974.34/x
3. Step 3: Cross multiply
   11,367.78x = 17,053.86 × 3,974.34
4. Step 4: Simplify right side
   11,367.78x = 67,777,837.95
5. Step 5: Solve for x
   x = 67,777,837.95/11,367.78
6. Step 6: Final answer
   x = 5,962.28