Finding the Fourth Proportional to 1,485.14, 2,229.05 and 792.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.14 : 2,229.05 = 792.39 : x
2. Step 2: Convert to fraction form
   1,485.14/2,229.05 = 792.39/x
3. Step 3: Cross multiply
   1,485.14x = 2,229.05 × 792.39
4. Step 4: Simplify right side
   1,485.14x = 1,766,287.27
5. Step 5: Solve for x
   x = 1,766,287.27/1,485.14
6. Step 6: Final answer
   x = 1,189.31