Finding the Fourth Proportional to 2,557.29, 3,832.37 and 1,384.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557.29 : 3,832.37 = 1,384.76 : x
2. Step 2: Convert to fraction form
   2,557.29/3,832.37 = 1,384.76/x
3. Step 3: Cross multiply
   2,557.29x = 3,832.37 × 1,384.76
4. Step 4: Simplify right side
   2,557.29x = 5,306,920.53
5. Step 5: Solve for x
   x = 5,306,920.53/2,557.29
6. Step 6: Final answer
   x = 2,075.21