Finding the Fourth Proportional to 2,027.31, 2,790.45 and 1,436.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,027.31 : 2,790.45 = 1,436.82 : x
2. Step 2: Convert to fraction form
   2,027.31/2,790.45 = 1,436.82/x
3. Step 3: Cross multiply
   2,027.31x = 2,790.45 × 1,436.82
4. Step 4: Simplify right side
   2,027.31x = 4,009,374.37
5. Step 5: Solve for x
   x = 4,009,374.37/2,027.31
6. Step 6: Final answer
   x = 1,977.68