Finding the Fourth Proportional to 1,822.37, 2,515.86 and 1,225.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822.37 : 2,515.86 = 1,225.73 : x
2. Step 2: Convert to fraction form
   1,822.37/2,515.86 = 1,225.73/x
3. Step 3: Cross multiply
   1,822.37x = 2,515.86 × 1,225.73
4. Step 4: Simplify right side
   1,822.37x = 3,083,752.50
5. Step 5: Solve for x
   x = 3,083,752.50/1,822.37
6. Step 6: Final answer
   x = 1,692.17