Finding the Fourth Proportional to 2,557.51, 3,833.34 and 1,384.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557.51 : 3,833.34 = 1,384.89 : x
2. Step 2: Convert to fraction form
   2,557.51/3,833.34 = 1,384.89/x
3. Step 3: Cross multiply
   2,557.51x = 3,833.34 × 1,384.89
4. Step 4: Simplify right side
   2,557.51x = 5,308,734.66
5. Step 5: Solve for x
   x = 5,308,734.66/2,557.51
6. Step 6: Final answer
   x = 2,075.75