Finding the Fourth Proportional to 1,075.34, 1,485.87 and 844.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.34 : 1,485.87 = 844.22 : x
2. Step 2: Convert to fraction form
   1,075.34/1,485.87 = 844.22/x
3. Step 3: Cross multiply
   1,075.34x = 1,485.87 × 844.22
4. Step 4: Simplify right side
   1,075.34x = 1,254,401.17
5. Step 5: Solve for x
   x = 1,254,401.17/1,075.34
6. Step 6: Final answer
   x = 1,166.52