Finding the Fourth Proportional to 1,841.25, 2,541.31 and 1,212.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,841.25 : 2,541.31 = 1,212.79 : x
2. Step 2: Convert to fraction form
   1,841.25/2,541.31 = 1,212.79/x
3. Step 3: Cross multiply
   1,841.25x = 2,541.31 × 1,212.79
4. Step 4: Simplify right side
   1,841.25x = 3,082,070.73
5. Step 5: Solve for x
   x = 3,082,070.73/1,841.25
6. Step 6: Final answer
   x = 1,673.90