Finding the Fourth Proportional to 1,820.48, 2,727.92 and 1,234.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820.48 : 2,727.92 = 1,234.72 : x
2. Step 2: Convert to fraction form
   1,820.48/2,727.92 = 1,234.72/x
3. Step 3: Cross multiply
   1,820.48x = 2,727.92 × 1,234.72
4. Step 4: Simplify right side
   1,820.48x = 3,368,217.38
5. Step 5: Solve for x
   x = 3,368,217.38/1,820.48
6. Step 6: Final answer
   x = 1,850.18