Finding the Fourth Proportional to 5,870.82, 8,101.85 and 3,218.07

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.82 : 8,101.85 = 3,218.07 : x
2. Step 2: Convert to fraction form
   5,870.82/8,101.85 = 3,218.07/x
3. Step 3: Cross multiply
   5,870.82x = 8,101.85 × 3,218.07
4. Step 4: Simplify right side
   5,870.82x = 26,072,304.34
5. Step 5: Solve for x
   x = 26,072,304.34/5,870.82
6. Step 6: Final answer
   x = 4,441.00