Finding the Fourth Proportional to 2,151.44, 3,224.89 and 1,225.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.44 : 3,224.89 = 1,225.00 : x
2. Step 2: Convert to fraction form
   2,151.44/3,224.89 = 1,225.00/x
3. Step 3: Cross multiply
   2,151.44x = 3,224.89 × 1,225.00
4. Step 4: Simplify right side
   2,151.44x = 3,950,483.30
5. Step 5: Solve for x
   x = 3,950,483.30/2,151.44
6. Step 6: Final answer
   x = 1,836.21