Finding the Fourth Proportional to 2,127.87, 2,933.82 and 1,340.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.87 : 2,933.82 = 1,340.55 : x
2. Step 2: Convert to fraction form
   2,127.87/2,933.82 = 1,340.55/x
3. Step 3: Cross multiply
   2,127.87x = 2,933.82 × 1,340.55
4. Step 4: Simplify right side
   2,127.87x = 3,932,932.40
5. Step 5: Solve for x
   x = 3,932,932.40/2,127.87
6. Step 6: Final answer
   x = 1,848.30