Finding the Fourth Proportional to 11,474.82, 17,212.42 and 3,154.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,474.82 : 17,212.42 = 3,154.78 : x
2. Step 2: Convert to fraction form
   11,474.82/17,212.42 = 3,154.78/x
3. Step 3: Cross multiply
   11,474.82x = 17,212.42 × 3,154.78
4. Step 4: Simplify right side
   11,474.82x = 54,301,398.37
5. Step 5: Solve for x
   x = 54,301,398.37/11,474.82
6. Step 6: Final answer
   x = 4,732.22