Finding the Fourth Proportional to 9,059.69, 13,587.82 and 2,819.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,059.69 : 13,587.82 = 2,819.78 : x
2. Step 2: Convert to fraction form
   9,059.69/13,587.82 = 2,819.78/x
3. Step 3: Cross multiply
   9,059.69x = 13,587.82 × 2,819.78
4. Step 4: Simplify right side
   9,059.69x = 38,314,656.03
5. Step 5: Solve for x
   x = 38,314,656.03/9,059.69
6. Step 6: Final answer
   x = 4,229.14