Finding the Fourth Proportional to 3,764.50, 5,195 and 2,085.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,764.50 : 5,195 = 2,085.91 : x
2. Step 2: Convert to fraction form
   3,764.50/5,195 = 2,085.91/x
3. Step 3: Cross multiply
   3,764.50x = 5,195 × 2,085.91
4. Step 4: Simplify right side
   3,764.50x = 10,836,302.45
5. Step 5: Solve for x
   x = 10,836,302.45/3,764.50
6. Step 6: Final answer
   x = 2,878.55