Finding the Fourth Proportional to 2,473.15, 3,709.98 and 829.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,473.15 : 3,709.98 = 829.87 : x
2. Step 2: Convert to fraction form
   2,473.15/3,709.98 = 829.87/x
3. Step 3: Cross multiply
   2,473.15x = 3,709.98 × 829.87
4. Step 4: Simplify right side
   2,473.15x = 3,078,801.10
5. Step 5: Solve for x
   x = 3,078,801.10/2,473.15
6. Step 6: Final answer
   x = 1,244.89