Finding the Fourth Proportional to 1,904.10, 2,622.96 and 1,623.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,904.10 : 2,622.96 = 1,623.42 : x
2. Step 2: Convert to fraction form
   1,904.10/2,622.96 = 1,623.42/x
3. Step 3: Cross multiply
   1,904.10x = 2,622.96 × 1,623.42
4. Step 4: Simplify right side
   1,904.10x = 4,258,165.72
5. Step 5: Solve for x
   x = 4,258,165.72/1,904.10
6. Step 6: Final answer
   x = 2,236.31