Finding the Fourth Proportional to 1,614.06, 2,419.47 and 791.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,614.06 : 2,419.47 = 791.10 : x
2. Step 2: Convert to fraction form
   1,614.06/2,419.47 = 791.10/x
3. Step 3: Cross multiply
   1,614.06x = 2,419.47 × 791.10
4. Step 4: Simplify right side
   1,614.06x = 1,914,042.72
5. Step 5: Solve for x
   x = 1,914,042.72/1,614.06
6. Step 6: Final answer
   x = 1,185.86