Finding the Fourth Proportional to 11,619.84, 17,429.49 and 2,854.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,619.84 : 17,429.49 = 2,854.71 : x
2. Step 2: Convert to fraction form
   11,619.84/17,429.49 = 2,854.71/x
3. Step 3: Cross multiply
   11,619.84x = 17,429.49 × 2,854.71
4. Step 4: Simplify right side
   11,619.84x = 49,756,139.40
5. Step 5: Solve for x
   x = 49,756,139.40/11,619.84
6. Step 6: Final answer
   x = 4,282.00