Finding the Fourth Proportional to 2,084.31, 2,876.01 and 1,338.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.31 : 2,876.01 = 1,338.12 : x
2. Step 2: Convert to fraction form
   2,084.31/2,876.01 = 1,338.12/x
3. Step 3: Cross multiply
   2,084.31x = 2,876.01 × 1,338.12
4. Step 4: Simplify right side
   2,084.31x = 3,848,446.50
5. Step 5: Solve for x
   x = 3,848,446.50/2,084.31
6. Step 6: Final answer
   x = 1,846.39