Finding the Fourth Proportional to 2,094.81, 2,891.35 and 1,211.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.81 : 2,891.35 = 1,211.12 : x
2. Step 2: Convert to fraction form
   2,094.81/2,891.35 = 1,211.12/x
3. Step 3: Cross multiply
   2,094.81x = 2,891.35 × 1,211.12
4. Step 4: Simplify right side
   2,094.81x = 3,501,769.71
5. Step 5: Solve for x
   x = 3,501,769.71/2,094.81
6. Step 6: Final answer
   x = 1,671.64