Finding the Fourth Proportional to 2,577.89, 3,868.36 and 2,368.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.89 : 3,868.36 = 2,368.71 : x
2. Step 2: Convert to fraction form
   2,577.89/3,868.36 = 2,368.71/x
3. Step 3: Cross multiply
   2,577.89x = 3,868.36 × 2,368.71
4. Step 4: Simplify right side
   2,577.89x = 9,163,017.09
5. Step 5: Solve for x
   x = 9,163,017.09/2,577.89
6. Step 6: Final answer
   x = 3,554.46