Finding the Fourth Proportional to 1,712.79, 2,567.81 and 1,616.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,712.79 : 2,567.81 = 1,616.20 : x
2. Step 2: Convert to fraction form
   1,712.79/2,567.81 = 1,616.20/x
3. Step 3: Cross multiply
   1,712.79x = 2,567.81 × 1,616.20
4. Step 4: Simplify right side
   1,712.79x = 4,150,092.14
5. Step 5: Solve for x
   x = 4,150,092.14/1,712.79
6. Step 6: Final answer
   x = 2,423.00