Finding the Fourth Proportional to 2,075.58, 3,118.23 and 1,783.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.58 : 3,118.23 = 1,783.98 : x
2. Step 2: Convert to fraction form
   2,075.58/3,118.23 = 1,783.98/x
3. Step 3: Cross multiply
   2,075.58x = 3,118.23 × 1,783.98
4. Step 4: Simplify right side
   2,075.58x = 5,562,859.96
5. Step 5: Solve for x
   x = 5,562,859.96/2,075.58
6. Step 6: Final answer
   x = 2,680.15