Finding the Fourth Proportional to 1,630.76, 2,443.82 and 1,435.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.76 : 2,443.82 = 1,435.28 : x
2. Step 2: Convert to fraction form
   1,630.76/2,443.82 = 1,435.28/x
3. Step 3: Cross multiply
   1,630.76x = 2,443.82 × 1,435.28
4. Step 4: Simplify right side
   1,630.76x = 3,507,546.57
5. Step 5: Solve for x
   x = 3,507,546.57/1,630.76
6. Step 6: Final answer
   x = 2,150.87