Finding the Fourth Proportional to 1,124.52, 1,683.42 and 636.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.52 : 1,683.42 = 636.04 : x
2. Step 2: Convert to fraction form
   1,124.52/1,683.42 = 636.04/x
3. Step 3: Cross multiply
   1,124.52x = 1,683.42 × 636.04
4. Step 4: Simplify right side
   1,124.52x = 1,070,722.46
5. Step 5: Solve for x
   x = 1,070,722.46/1,124.52
6. Step 6: Final answer
   x = 952.16