Finding the Fourth Proportional to 2,738.41, 4,100.69 and 1,811.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,738.41 : 4,100.69 = 1,811.16 : x
2. Step 2: Convert to fraction form
   2,738.41/4,100.69 = 1,811.16/x
3. Step 3: Cross multiply
   2,738.41x = 4,100.69 × 1,811.16
4. Step 4: Simplify right side
   2,738.41x = 7,426,985.20
5. Step 5: Solve for x
   x = 7,426,985.20/2,738.41
6. Step 6: Final answer
   x = 2,712.15