Finding the Fourth Proportional to 2,577.57, 3,857.31 and 1,848.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.57 : 3,857.31 = 1,848.57 : x
2. Step 2: Convert to fraction form
   2,577.57/3,857.31 = 1,848.57/x
3. Step 3: Cross multiply
   2,577.57x = 3,857.31 × 1,848.57
4. Step 4: Simplify right side
   2,577.57x = 7,130,507.55
5. Step 5: Solve for x
   x = 7,130,507.55/2,577.57
6. Step 6: Final answer
   x = 2,766.37