Finding the Fourth Proportional to 5,870.34, 8,100.81 and 3,217.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.34 : 8,100.81 = 3,217.86 : x
2. Step 2: Convert to fraction form
   5,870.34/8,100.81 = 3,217.86/x
3. Step 3: Cross multiply
   5,870.34x = 8,100.81 × 3,217.86
4. Step 4: Simplify right side
   5,870.34x = 26,067,272.47
5. Step 5: Solve for x
   x = 26,067,272.47/5,870.34
6. Step 6: Final answer
   x = 4,440.50