Finding the Fourth Proportional to 1,104.45, 1,522.43 and 824.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,104.45 : 1,522.43 = 824.25 : x
2. Step 2: Convert to fraction form
   1,104.45/1,522.43 = 824.25/x
3. Step 3: Cross multiply
   1,104.45x = 1,522.43 × 824.25
4. Step 4: Simplify right side
   1,104.45x = 1,254,858.81
5. Step 5: Solve for x
   x = 1,254,858.81/1,104.45
6. Step 6: Final answer
   x = 1,136.18