Finding the Fourth Proportional to 2,146.09, 3,218.33 and 914.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.09 : 3,218.33 = 914.08 : x
2. Step 2: Convert to fraction form
   2,146.09/3,218.33 = 914.08/x
3. Step 3: Cross multiply
   2,146.09x = 3,218.33 × 914.08
4. Step 4: Simplify right side
   2,146.09x = 2,941,806.52
5. Step 5: Solve for x
   x = 2,941,806.52/2,146.09
6. Step 6: Final answer
   x = 1,370.77