Finding the Fourth Proportional to 2,577.88, 3,558.39 and 1,529.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.88 : 3,558.39 = 1,529.94 : x
2. Step 2: Convert to fraction form
   2,577.88/3,558.39 = 1,529.94/x
3. Step 3: Cross multiply
   2,577.88x = 3,558.39 × 1,529.94
4. Step 4: Simplify right side
   2,577.88x = 5,444,114.30
5. Step 5: Solve for x
   x = 5,444,114.30/2,577.88
6. Step 6: Final answer
   x = 2,111.86