Finding the Fourth Proportional to 2,785.74, 3,819.93 and 2,692.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,785.74 : 3,819.93 = 2,692.59 : x
2. Step 2: Convert to fraction form
   2,785.74/3,819.93 = 2,692.59/x
3. Step 3: Cross multiply
   2,785.74x = 3,819.93 × 2,692.59
4. Step 4: Simplify right side
   2,785.74x = 10,285,505.32
5. Step 5: Solve for x
   x = 10,285,505.32/2,785.74
6. Step 6: Final answer
   x = 3,692.20