Finding the Fourth Proportional to 2,120.27, 2,927.42 and 1,622.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,120.27 : 2,927.42 = 1,622.04 : x
2. Step 2: Convert to fraction form
   2,120.27/2,927.42 = 1,622.04/x
3. Step 3: Cross multiply
   2,120.27x = 2,927.42 × 1,622.04
4. Step 4: Simplify right side
   2,120.27x = 4,748,388.46
5. Step 5: Solve for x
   x = 4,748,388.46/2,120.27
6. Step 6: Final answer
   x = 2,239.53