Finding the Fourth Proportional to 5,870.94, 8,101.53 and 3,218.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.94 : 8,101.53 = 3,218.16 : x
2. Step 2: Convert to fraction form
   5,870.94/8,101.53 = 3,218.16/x
3. Step 3: Cross multiply
   5,870.94x = 8,101.53 × 3,218.16
4. Step 4: Simplify right side
   5,870.94x = 26,072,019.78
5. Step 5: Solve for x
   x = 26,072,019.78/5,870.94
6. Step 6: Final answer
   x = 4,440.86