Finding the Fourth Proportional to 1,910.25, 2,636.25 and 1,124.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.25 : 2,636.25 = 1,124.55 : x
2. Step 2: Convert to fraction form
   1,910.25/2,636.25 = 1,124.55/x
3. Step 3: Cross multiply
   1,910.25x = 2,636.25 × 1,124.55
4. Step 4: Simplify right side
   1,910.25x = 2,964,590.72
5. Step 5: Solve for x
   x = 2,964,590.72/1,910.25
6. Step 6: Final answer
   x = 1,551.94