Finding the Fourth Proportional to 2,630.35, 3,629.89 and 1,435.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630.35 : 3,629.89 = 1,435.32 : x
2. Step 2: Convert to fraction form
   2,630.35/3,629.89 = 1,435.32/x
3. Step 3: Cross multiply
   2,630.35x = 3,629.89 × 1,435.32
4. Step 4: Simplify right side
   2,630.35x = 5,210,048.23
5. Step 5: Solve for x
   x = 5,210,048.23/2,630.35
6. Step 6: Final answer
   x = 1,980.75