Finding the Fourth Proportional to 1,412.87, 2,116.56 and 794.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.87 : 2,116.56 = 794.69 : x
2. Step 2: Convert to fraction form
   1,412.87/2,116.56 = 794.69/x
3. Step 3: Cross multiply
   1,412.87x = 2,116.56 × 794.69
4. Step 4: Simplify right side
   1,412.87x = 1,682,009.07
5. Step 5: Solve for x
   x = 1,682,009.07/1,412.87
6. Step 6: Final answer
   x = 1,190.49