Finding the Fourth Proportional to 1,659.30, 2,485.14 and 794.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659.30 : 2,485.14 = 794.22 : x
2. Step 2: Convert to fraction form
   1,659.30/2,485.14 = 794.22/x
3. Step 3: Cross multiply
   1,659.30x = 2,485.14 × 794.22
4. Step 4: Simplify right side
   1,659.30x = 1,973,747.89
5. Step 5: Solve for x
   x = 1,973,747.89/1,659.30
6. Step 6: Final answer
   x = 1,189.51