Finding the Fourth Proportional to 1,504.22, 2,075.99 and 841.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,504.22 : 2,075.99 = 841.23 : x
2. Step 2: Convert to fraction form
   1,504.22/2,075.99 = 841.23/x
3. Step 3: Cross multiply
   1,504.22x = 2,075.99 × 841.23
4. Step 4: Simplify right side
   1,504.22x = 1,746,380.86
5. Step 5: Solve for x
   x = 1,746,380.86/1,504.22
6. Step 6: Final answer
   x = 1,160.99