Finding the Fourth Proportional to 1,622.33, 2,238.73 and 914.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,622.33 : 2,238.73 = 914.17 : x
2. Step 2: Convert to fraction form
   1,622.33/2,238.73 = 914.17/x
3. Step 3: Cross multiply
   1,622.33x = 2,238.73 × 914.17
4. Step 4: Simplify right side
   1,622.33x = 2,046,578.60
5. Step 5: Solve for x
   x = 2,046,578.60/1,622.33
6. Step 6: Final answer
   x = 1,261.51