Finding the Fourth Proportional to 1,124.41, 1,684.01 and 1,085.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124.41 : 1,684.01 = 1,085.49 : x
2. Step 2: Convert to fraction form
   1,124.41/1,684.01 = 1,085.49/x
3. Step 3: Cross multiply
   1,124.41x = 1,684.01 × 1,085.49
4. Step 4: Simplify right side
   1,124.41x = 1,827,976.01
5. Step 5: Solve for x
   x = 1,827,976.01/1,124.41
6. Step 6: Final answer
   x = 1,625.72