Finding the Fourth Proportional to 1,805.83, 2,489.63 and 1,434.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.83 : 2,489.63 = 1,434.04 : x
2. Step 2: Convert to fraction form
   1,805.83/2,489.63 = 1,434.04/x
3. Step 3: Cross multiply
   1,805.83x = 2,489.63 × 1,434.04
4. Step 4: Simplify right side
   1,805.83x = 3,570,215.61
5. Step 5: Solve for x
   x = 3,570,215.61/1,805.83
6. Step 6: Final answer
   x = 1,977.05