Finding the Fourth Proportional to 2,577.51, 3,863.57 and 1,343.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.51 : 3,863.57 = 1,343.61 : x
2. Step 2: Convert to fraction form
   2,577.51/3,863.57 = 1,343.61/x
3. Step 3: Cross multiply
   2,577.51x = 3,863.57 × 1,343.61
4. Step 4: Simplify right side
   2,577.51x = 5,191,124.57
5. Step 5: Solve for x
   x = 5,191,124.57/2,577.51
6. Step 6: Final answer
   x = 2,014.01