Finding the Fourth Proportional to 11,619.59, 17,429.43 and 2,854.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,619.59 : 17,429.43 = 2,854.50 : x
2. Step 2: Convert to fraction form
   11,619.59/17,429.43 = 2,854.50/x
3. Step 3: Cross multiply
   11,619.59x = 17,429.43 × 2,854.50
4. Step 4: Simplify right side
   11,619.59x = 49,752,307.94
5. Step 5: Solve for x
   x = 49,752,307.94/11,619.59
6. Step 6: Final answer
   x = 4,281.76