Finding the Fourth Proportional to 2,083.31, 2,873.95 and 1,243.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.31 : 2,873.95 = 1,243.46 : x
2. Step 2: Convert to fraction form
   2,083.31/2,873.95 = 1,243.46/x
3. Step 3: Cross multiply
   2,083.31x = 2,873.95 × 1,243.46
4. Step 4: Simplify right side
   2,083.31x = 3,573,641.87
5. Step 5: Solve for x
   x = 3,573,641.87/2,083.31
6. Step 6: Final answer
   x = 1,715.37