Finding the Fourth Proportional to 1,774.93, 2,663.31 and 800.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,774.93 : 2,663.31 = 800.83 : x
2. Step 2: Convert to fraction form
   1,774.93/2,663.31 = 800.83/x
3. Step 3: Cross multiply
   1,774.93x = 2,663.31 × 800.83
4. Step 4: Simplify right side
   1,774.93x = 2,132,858.55
5. Step 5: Solve for x
   x = 2,132,858.55/1,774.93
6. Step 6: Final answer
   x = 1,201.66