Finding the Fourth Proportional to 8,471.42, 12,706.86 and 2,626.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,471.42 : 12,706.86 = 2,626.46 : x
2. Step 2: Convert to fraction form
   8,471.42/12,706.86 = 2,626.46/x
3. Step 3: Cross multiply
   8,471.42x = 12,706.86 × 2,626.46
4. Step 4: Simplify right side
   8,471.42x = 33,374,059.52
5. Step 5: Solve for x
   x = 33,374,059.52/8,471.42
6. Step 6: Final answer
   x = 3,939.61