Finding the Fourth Proportional to 2,577.25, 3,866.28 and 933.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.25 : 3,866.28 = 933.49 : x
2. Step 2: Convert to fraction form
   2,577.25/3,866.28 = 933.49/x
3. Step 3: Cross multiply
   2,577.25x = 3,866.28 × 933.49
4. Step 4: Simplify right side
   2,577.25x = 3,609,133.72
5. Step 5: Solve for x
   x = 3,609,133.72/2,577.25
6. Step 6: Final answer
   x = 1,400.38