Finding the Fourth Proportional to 1,656.33, 2,485.71 and 791.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,656.33 : 2,485.71 = 791.25 : x
2. Step 2: Convert to fraction form
   1,656.33/2,485.71 = 791.25/x
3. Step 3: Cross multiply
   1,656.33x = 2,485.71 × 791.25
4. Step 4: Simplify right side
   1,656.33x = 1,966,818.04
5. Step 5: Solve for x
   x = 1,966,818.04/1,656.33
6. Step 6: Final answer
   x = 1,187.46