Finding the Fourth Proportional to 3,671.69, 5,068.31 and 2,180.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,671.69 : 5,068.31 = 2,180.34 : x
2. Step 2: Convert to fraction form
   3,671.69/5,068.31 = 2,180.34/x
3. Step 3: Cross multiply
   3,671.69x = 5,068.31 × 2,180.34
4. Step 4: Simplify right side
   3,671.69x = 11,050,628.12
5. Step 5: Solve for x
   x = 11,050,628.12/3,671.69
6. Step 6: Final answer
   x = 3,009.69