Finding the Fourth Proportional to 1,830.54, 2,743.50 and 789.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,830.54 : 2,743.50 = 789.30 : x
2. Step 2: Convert to fraction form
   1,830.54/2,743.50 = 789.30/x
3. Step 3: Cross multiply
   1,830.54x = 2,743.50 × 789.30
4. Step 4: Simplify right side
   1,830.54x = 2,165,444.55
5. Step 5: Solve for x
   x = 2,165,444.55/1,830.54
6. Step 6: Final answer
   x = 1,182.95