Finding the Fourth Proportional to 1,788.10, 2,682.78 and 800.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.10 : 2,682.78 = 800.83 : x
2. Step 2: Convert to fraction form
   1,788.10/2,682.78 = 800.83/x
3. Step 3: Cross multiply
   1,788.10x = 2,682.78 × 800.83
4. Step 4: Simplify right side
   1,788.10x = 2,148,437.29
5. Step 5: Solve for x
   x = 2,148,437.29/1,788.10
6. Step 6: Final answer
   x = 1,201.52