Finding the Fourth Proportional to 1,960.05, 2,704.86 and 1,075.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,960.05 : 2,704.86 = 1,075.90 : x
2. Step 2: Convert to fraction form
   1,960.05/2,704.86 = 1,075.90/x
3. Step 3: Cross multiply
   1,960.05x = 2,704.86 × 1,075.90
4. Step 4: Simplify right side
   1,960.05x = 2,910,145.35
5. Step 5: Solve for x
   x = 2,910,145.35/1,960.05
6. Step 6: Final answer
   x = 1,484.73