Finding the Fourth Proportional to 5,870.48, 8,101.47 and 3,217.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.48 : 8,101.47 = 3,217.89 : x
2. Step 2: Convert to fraction form
   5,870.48/8,101.47 = 3,217.89/x
3. Step 3: Cross multiply
   5,870.48x = 8,101.47 × 3,217.89
4. Step 4: Simplify right side
   5,870.48x = 26,069,619.04
5. Step 5: Solve for x
   x = 26,069,619.04/5,870.48
6. Step 6: Final answer
   x = 4,440.80