Finding the Fourth Proportional to 8,314.50, 12,472.56 and 2,158.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,314.50 : 12,472.56 = 2,158.50 : x
2. Step 2: Convert to fraction form
   8,314.50/12,472.56 = 2,158.50/x
3. Step 3: Cross multiply
   8,314.50x = 12,472.56 × 2,158.50
4. Step 4: Simplify right side
   8,314.50x = 26,922,020.76
5. Step 5: Solve for x
   x = 26,922,020.76/8,314.50
6. Step 6: Final answer
   x = 3,237.96