Finding the Fourth Proportional to 1,633.31, 2,453.12 and 1,399.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,633.31 : 2,453.12 = 1,399.58 : x
2. Step 2: Convert to fraction form
   1,633.31/2,453.12 = 1,399.58/x
3. Step 3: Cross multiply
   1,633.31x = 2,453.12 × 1,399.58
4. Step 4: Simplify right side
   1,633.31x = 3,433,318.43
5. Step 5: Solve for x
   x = 3,433,318.43/1,633.31
6. Step 6: Final answer
   x = 2,102.06