Finding the Fourth Proportional to 11,465.34, 17,196.17 and 3,143.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,465.34 : 17,196.17 = 3,143.42 : x
2. Step 2: Convert to fraction form
   11,465.34/17,196.17 = 3,143.42/x
3. Step 3: Cross multiply
   11,465.34x = 17,196.17 × 3,143.42
4. Step 4: Simplify right side
   11,465.34x = 54,054,844.22
5. Step 5: Solve for x
   x = 54,054,844.22/11,465.34
6. Step 6: Final answer
   x = 4,714.63