Finding the Fourth Proportional to 2,573.31, 3,856.58 and 1,403.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.31 : 3,856.58 = 1,403.82 : x
2. Step 2: Convert to fraction form
   2,573.31/3,856.58 = 1,403.82/x
3. Step 3: Cross multiply
   2,573.31x = 3,856.58 × 1,403.82
4. Step 4: Simplify right side
   2,573.31x = 5,413,937.12
5. Step 5: Solve for x
   x = 5,413,937.12/2,573.31
6. Step 6: Final answer
   x = 2,103.88