Finding the Fourth Proportional to 2,369.86, 3,270.72 and 1,708.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369.86 : 3,270.72 = 1,708.90 : x
2. Step 2: Convert to fraction form
   2,369.86/3,270.72 = 1,708.90/x
3. Step 3: Cross multiply
   2,369.86x = 3,270.72 × 1,708.90
4. Step 4: Simplify right side
   2,369.86x = 5,589,333.41
5. Step 5: Solve for x
   x = 5,589,333.41/2,369.86
6. Step 6: Final answer
   x = 2,358.51