Finding the Fourth Proportional to 2,047.32, 3,072.24 and 1,225.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.32 : 3,072.24 = 1,225.80 : x
2. Step 2: Convert to fraction form
   2,047.32/3,072.24 = 1,225.80/x
3. Step 3: Cross multiply
   2,047.32x = 3,072.24 × 1,225.80
4. Step 4: Simplify right side
   2,047.32x = 3,765,951.79
5. Step 5: Solve for x
   x = 3,765,951.79/2,047.32
6. Step 6: Final answer
   x = 1,839.45