Finding the Fourth Proportional to 2,175.86, 3,004.20 and 1,677.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.86 : 3,004.20 = 1,677.68 : x
2. Step 2: Convert to fraction form
   2,175.86/3,004.20 = 1,677.68/x
3. Step 3: Cross multiply
   2,175.86x = 3,004.20 × 1,677.68
4. Step 4: Simplify right side
   2,175.86x = 5,040,086.26
5. Step 5: Solve for x
   x = 5,040,086.26/2,175.86
6. Step 6: Final answer
   x = 2,316.37