Finding the Fourth Proportional to 1,790.52, 2,683.71 and 912.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,790.52 : 2,683.71 = 912.18 : x
2. Step 2: Convert to fraction form
   1,790.52/2,683.71 = 912.18/x
3. Step 3: Cross multiply
   1,790.52x = 2,683.71 × 912.18
4. Step 4: Simplify right side
   1,790.52x = 2,448,026.59
5. Step 5: Solve for x
   x = 2,448,026.59/1,790.52
6. Step 6: Final answer
   x = 1,367.22