Finding the Fourth Proportional to 2,630.16, 3,629.57 and 1,435.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.16 : 3,629.57 = 1,435.14 : x
2. Step 2: Convert to fraction form
   2,630.16/3,629.57 = 1,435.14/x
3. Step 3: Cross multiply
   2,630.16x = 3,629.57 × 1,435.14
4. Step 4: Simplify right side
   2,630.16x = 5,208,933.91
5. Step 5: Solve for x
   x = 5,208,933.91/2,630.16
6. Step 6: Final answer
   x = 1,980.46