Finding the Fourth Proportional to 1,622.91, 2,434.55 and 757.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,622.91 : 2,434.55 = 757.02 : x
2. Step 2: Convert to fraction form
   1,622.91/2,434.55 = 757.02/x
3. Step 3: Cross multiply
   1,622.91x = 2,434.55 × 757.02
4. Step 4: Simplify right side
   1,622.91x = 1,843,003.04
5. Step 5: Solve for x
   x = 1,843,003.04/1,622.91
6. Step 6: Final answer
   x = 1,135.62