Finding the Fourth Proportional to 1,870.80, 2,576.56 and 1,755.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.80 : 2,576.56 = 1,755.98 : x
2. Step 2: Convert to fraction form
   1,870.80/2,576.56 = 1,755.98/x
3. Step 3: Cross multiply
   1,870.80x = 2,576.56 × 1,755.98
4. Step 4: Simplify right side
   1,870.80x = 4,524,383.51
5. Step 5: Solve for x
   x = 4,524,383.51/1,870.80
6. Step 6: Final answer
   x = 2,418.43