Finding the Fourth Proportional to 5,820.31, 8,032.00 and 3,167.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,820.31 : 8,032.00 = 3,167.72 : x
2. Step 2: Convert to fraction form
   5,820.31/8,032.00 = 3,167.72/x
3. Step 3: Cross multiply
   5,820.31x = 8,032.00 × 3,167.72
4. Step 4: Simplify right side
   5,820.31x = 25,443,071.04
5. Step 5: Solve for x
   x = 25,443,071.04/5,820.31
6. Step 6: Final answer
   x = 4,371.43