Finding the Fourth Proportional to 2,769.91, 3,838.98 and 2,718.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,769.91 : 3,838.98 = 2,718.07 : x
2. Step 2: Convert to fraction form
   2,769.91/3,838.98 = 2,718.07/x
3. Step 3: Cross multiply
   2,769.91x = 3,838.98 × 2,718.07
4. Step 4: Simplify right side
   2,769.91x = 10,434,602.78
5. Step 5: Solve for x
   x = 10,434,602.78/2,769.91
6. Step 6: Final answer
   x = 3,767.13