Finding the Fourth Proportional to 2,941.31, 4,412.88 and 1,209.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,941.31 : 4,412.88 = 1,209.94 : x
2. Step 2: Convert to fraction form
   2,941.31/4,412.88 = 1,209.94/x
3. Step 3: Cross multiply
   2,941.31x = 4,412.88 × 1,209.94
4. Step 4: Simplify right side
   2,941.31x = 5,339,309.00
5. Step 5: Solve for x
   x = 5,339,309.00/2,941.31
6. Step 6: Final answer
   x = 1,815.28