Finding the Fourth Proportional to 1,355.59, 2,035.00 and 808.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.59 : 2,035.00 = 808.03 : x
2. Step 2: Convert to fraction form
   1,355.59/2,035.00 = 808.03/x
3. Step 3: Cross multiply
   1,355.59x = 2,035.00 × 808.03
4. Step 4: Simplify right side
   1,355.59x = 1,644,326.83
5. Step 5: Solve for x
   x = 1,644,326.83/1,355.59
6. Step 6: Final answer
   x = 1,213.00