Finding the Fourth Proportional to 2,002.96, 2,989.94 and 1,730.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.96 : 2,989.94 = 1,730.80 : x
2. Step 2: Convert to fraction form
   2,002.96/2,989.94 = 1,730.80/x
3. Step 3: Cross multiply
   2,002.96x = 2,989.94 × 1,730.80
4. Step 4: Simplify right side
   2,002.96x = 5,174,988.15
5. Step 5: Solve for x
   x = 5,174,988.15/2,002.96
6. Step 6: Final answer
   x = 2,583.67