Finding the Fourth Proportional to 5,870.48, 8,100.71 and 3,217.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.48 : 8,100.71 = 3,217.93 : x
2. Step 2: Convert to fraction form
   5,870.48/8,100.71 = 3,217.93/x
3. Step 3: Cross multiply
   5,870.48x = 8,100.71 × 3,217.93
4. Step 4: Simplify right side
   5,870.48x = 26,067,493.46
5. Step 5: Solve for x
   x = 26,067,493.46/5,870.48
6. Step 6: Final answer
   x = 4,440.44