Finding the Fourth Proportional to 2,035.58, 2,810.83 and 1,290.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,035.58 : 2,810.83 = 1,290.86 : x
2. Step 2: Convert to fraction form
   2,035.58/2,810.83 = 1,290.86/x
3. Step 3: Cross multiply
   2,035.58x = 2,810.83 × 1,290.86
4. Step 4: Simplify right side
   2,035.58x = 3,628,387.97
5. Step 5: Solve for x
   x = 3,628,387.97/2,035.58
6. Step 6: Final answer
   x = 1,782.48