Finding the Fourth Proportional to 11,811.39, 17,717.43 and 3,046.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,811.39 : 17,717.43 = 3,046.31 : x
2. Step 2: Convert to fraction form
   11,811.39/17,717.43 = 3,046.31/x
3. Step 3: Cross multiply
   11,811.39x = 17,717.43 × 3,046.31
4. Step 4: Simplify right side
   11,811.39x = 53,972,773.46
5. Step 5: Solve for x
   x = 53,972,773.46/11,811.39
6. Step 6: Final answer
   x = 4,569.55