Finding the Fourth Proportional to 2,462.86, 3,397.67 and 1,665.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,462.86 : 3,397.67 = 1,665.90 : x
2. Step 2: Convert to fraction form
   2,462.86/3,397.67 = 1,665.90/x
3. Step 3: Cross multiply
   2,462.86x = 3,397.67 × 1,665.90
4. Step 4: Simplify right side
   2,462.86x = 5,660,178.45
5. Step 5: Solve for x
   x = 5,660,178.45/2,462.86
6. Step 6: Final answer
   x = 2,298.21