Finding the Fourth Proportional to 2,719.93, 3,748.94 and 2,081.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.93 : 3,748.94 = 2,081.65 : x
2. Step 2: Convert to fraction form
   2,719.93/3,748.94 = 2,081.65/x
3. Step 3: Cross multiply
   2,719.93x = 3,748.94 × 2,081.65
4. Step 4: Simplify right side
   2,719.93x = 7,803,970.54
5. Step 5: Solve for x
   x = 7,803,970.54/2,719.93
6. Step 6: Final answer
   x = 2,869.18