Finding the Fourth Proportional to 2,150.31, 2,966.53 and 1,404

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.31 : 2,966.53 = 1,404 : x
2. Step 2: Convert to fraction form
   2,150.31/2,966.53 = 1,404/x
3. Step 3: Cross multiply
   2,150.31x = 2,966.53 × 1,404
4. Step 4: Simplify right side
   2,150.31x = 4,165,008.12
5. Step 5: Solve for x
   x = 4,165,008.12/2,150.31
6. Step 6: Final answer
   x = 1,936.93