Finding the Fourth Proportional to 1,601.62, 2,402.52 and 677.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.62 : 2,402.52 = 677.05 : x
2. Step 2: Convert to fraction form
   1,601.62/2,402.52 = 677.05/x
3. Step 3: Cross multiply
   1,601.62x = 2,402.52 × 677.05
4. Step 4: Simplify right side
   1,601.62x = 1,626,617.62
5. Step 5: Solve for x
   x = 1,626,617.62/1,601.62
6. Step 6: Final answer
   x = 1,015.61