Finding the Fourth Proportional to 2,085.50, 2,873.36 and 1,376.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.50 : 2,873.36 = 1,376.09 : x
2. Step 2: Convert to fraction form
   2,085.50/2,873.36 = 1,376.09/x
3. Step 3: Cross multiply
   2,085.50x = 2,873.36 × 1,376.09
4. Step 4: Simplify right side
   2,085.50x = 3,953,991.04
5. Step 5: Solve for x
   x = 3,953,991.04/2,085.50
6. Step 6: Final answer
   x = 1,895.94