Finding the Fourth Proportional to 1,433.80, 1,978.61 and 795.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.80 : 1,978.61 = 795.74 : x
2. Step 2: Convert to fraction form
   1,433.80/1,978.61 = 795.74/x
3. Step 3: Cross multiply
   1,433.80x = 1,978.61 × 795.74
4. Step 4: Simplify right side
   1,433.80x = 1,574,445.25
5. Step 5: Solve for x
   x = 1,574,445.25/1,433.80
6. Step 6: Final answer
   x = 1,098.10