Finding the Fourth Proportional to 2,124.31, 3,184.83 and 969.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.31 : 3,184.83 = 969.25 : x
2. Step 2: Convert to fraction form
   2,124.31/3,184.83 = 969.25/x
3. Step 3: Cross multiply
   2,124.31x = 3,184.83 × 969.25
4. Step 4: Simplify right side
   2,124.31x = 3,086,896.48
5. Step 5: Solve for x
   x = 3,086,896.48/2,124.31
6. Step 6: Final answer
   x = 1,453.13