Finding the Fourth Proportional to 1,462.15, 2,017.76 and 789.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,462.15 : 2,017.76 = 789.95 : x
2. Step 2: Convert to fraction form
   1,462.15/2,017.76 = 789.95/x
3. Step 3: Cross multiply
   1,462.15x = 2,017.76 × 789.95
4. Step 4: Simplify right side
   1,462.15x = 1,593,930.50
5. Step 5: Solve for x
   x = 1,593,930.50/1,462.15
6. Step 6: Final answer
   x = 1,090.13