Finding the Fourth Proportional to 8,315.31, 12,475.01 and 2,471.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,315.31 : 12,475.01 = 2,471.92 : x
2. Step 2: Convert to fraction form
   8,315.31/12,475.01 = 2,471.92/x
3. Step 3: Cross multiply
   8,315.31x = 12,475.01 × 2,471.92
4. Step 4: Simplify right side
   8,315.31x = 30,837,164.34
5. Step 5: Solve for x
   x = 30,837,164.34/8,315.31
6. Step 6: Final answer
   x = 3,708.48