Finding the Fourth Proportional to 2,162.69, 2,982.62 and 1,742.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.69 : 2,982.62 = 1,742.90 : x
2. Step 2: Convert to fraction form
   2,162.69/2,982.62 = 1,742.90/x
3. Step 3: Cross multiply
   2,162.69x = 2,982.62 × 1,742.90
4. Step 4: Simplify right side
   2,162.69x = 5,198,384.77
5. Step 5: Solve for x
   x = 5,198,384.77/2,162.69
6. Step 6: Final answer
   x = 2,403.67