Finding the Fourth Proportional to 1,920.00, 2,873.48 and 1,227.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,920.00 : 2,873.48 = 1,227.15 : x
2. Step 2: Convert to fraction form
   1,920.00/2,873.48 = 1,227.15/x
3. Step 3: Cross multiply
   1,920.00x = 2,873.48 × 1,227.15
4. Step 4: Simplify right side
   1,920.00x = 3,526,184.85
5. Step 5: Solve for x
   x = 3,526,184.85/1,920.00
6. Step 6: Final answer
   x = 1,836.55