Finding the Fourth Proportional to 3,472.66, 5,210.30 and 2,067.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,472.66 : 5,210.30 = 2,067.89 : x
2. Step 2: Convert to fraction form
   3,472.66/5,210.30 = 2,067.89/x
3. Step 3: Cross multiply
   3,472.66x = 5,210.30 × 2,067.89
4. Step 4: Simplify right side
   3,472.66x = 10,774,341.59
5. Step 5: Solve for x
   x = 10,774,341.59/3,472.66
6. Step 6: Final answer
   x = 3,102.62