Finding the Fourth Proportional to 1,809.59, 2,496.04 and 1,435.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.59 : 2,496.04 = 1,435.97 : x
2. Step 2: Convert to fraction form
   1,809.59/2,496.04 = 1,435.97/x
3. Step 3: Cross multiply
   1,809.59x = 2,496.04 × 1,435.97
4. Step 4: Simplify right side
   1,809.59x = 3,584,241.21
5. Step 5: Solve for x
   x = 3,584,241.21/1,809.59
6. Step 6: Final answer
   x = 1,980.70