Finding the Fourth Proportional to 11,619.90, 17,429.69 and 2,854.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,619.90 : 17,429.69 = 2,854.73 : x
2. Step 2: Convert to fraction form
   11,619.90/17,429.69 = 2,854.73/x
3. Step 3: Cross multiply
   11,619.90x = 17,429.69 × 2,854.73
4. Step 4: Simplify right side
   11,619.90x = 49,757,109.64
5. Step 5: Solve for x
   x = 49,757,109.64/11,619.90
6. Step 6: Final answer
   x = 4,282.06