Finding the Fourth Proportional to 1,075.86, 1,621.83 and 1,004.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.86 : 1,621.83 = 1,004.42 : x
2. Step 2: Convert to fraction form
   1,075.86/1,621.83 = 1,004.42/x
3. Step 3: Cross multiply
   1,075.86x = 1,621.83 × 1,004.42
4. Step 4: Simplify right side
   1,075.86x = 1,628,998.49
5. Step 5: Solve for x
   x = 1,628,998.49/1,075.86
6. Step 6: Final answer
   x = 1,514.14