Finding the Fourth Proportional to 2,084.12, 3,123.08 and 1,899.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.12 : 3,123.08 = 1,899.71 : x
2. Step 2: Convert to fraction form
   2,084.12/3,123.08 = 1,899.71/x
3. Step 3: Cross multiply
   2,084.12x = 3,123.08 × 1,899.71
4. Step 4: Simplify right side
   2,084.12x = 5,932,936.81
5. Step 5: Solve for x
   x = 5,932,936.81/2,084.12
6. Step 6: Final answer
   x = 2,846.73