Finding the Fourth Proportional to 5,459.31, 8,182.84 and 2,171.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,459.31 : 8,182.84 = 2,171.52 : x
2. Step 2: Convert to fraction form
   5,459.31/8,182.84 = 2,171.52/x
3. Step 3: Cross multiply
   5,459.31x = 8,182.84 × 2,171.52
4. Step 4: Simplify right side
   5,459.31x = 17,769,200.72
5. Step 5: Solve for x
   x = 17,769,200.72/5,459.31
6. Step 6: Final answer
   x = 3,254.84