Finding the Fourth Proportional to 5,820.18, 8,031.86 and 3,167.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,820.18 : 8,031.86 = 3,167.59 : x
2. Step 2: Convert to fraction form
   5,820.18/8,031.86 = 3,167.59/x
3. Step 3: Cross multiply
   5,820.18x = 8,031.86 × 3,167.59
4. Step 4: Simplify right side
   5,820.18x = 25,441,583.42
5. Step 5: Solve for x
   x = 25,441,583.42/5,820.18
6. Step 6: Final answer
   x = 4,371.27