Finding the Fourth Proportional to 2,617.06, 3,611.52 and 1,622.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.06 : 3,611.52 = 1,622.46 : x
2. Step 2: Convert to fraction form
   2,617.06/3,611.52 = 1,622.46/x
3. Step 3: Cross multiply
   2,617.06x = 3,611.52 × 1,622.46
4. Step 4: Simplify right side
   2,617.06x = 5,859,546.74
5. Step 5: Solve for x
   x = 5,859,546.74/2,617.06
6. Step 6: Final answer
   x = 2,238.98