Finding the Fourth Proportional to 1,200.06, 1,800.69 and 814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200.06 : 1,800.69 = 814.50 : x
2. Step 2: Convert to fraction form
   1,200.06/1,800.69 = 814.50/x
3. Step 3: Cross multiply
   1,200.06x = 1,800.69 × 814.50
4. Step 4: Simplify right side
   1,200.06x = 1,466,662.01
5. Step 5: Solve for x
   x = 1,466,662.01/1,200.06
6. Step 6: Final answer
   x = 1,222.16