Finding the Fourth Proportional to 5,870.76, 8,101.59 and 3,218.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.76 : 8,101.59 = 3,218.16 : x
2. Step 2: Convert to fraction form
   5,870.76/8,101.59 = 3,218.16/x
3. Step 3: Cross multiply
   5,870.76x = 8,101.59 × 3,218.16
4. Step 4: Simplify right side
   5,870.76x = 26,072,172.37
5. Step 5: Solve for x
   x = 26,072,172.37/5,870.76
6. Step 6: Final answer
   x = 4,441.03