Finding the Fourth Proportional to 8,601.42, 12,893.82 and 5,471.70

Step by Step Solution

1. Step 1: Write the proportion equation
   8,601.42 : 12,893.82 = 5,471.70 : x
2. Step 2: Convert to fraction form
   8,601.42/12,893.82 = 5,471.70/x
3. Step 3: Cross multiply
   8,601.42x = 12,893.82 × 5,471.70
4. Step 4: Simplify right side
   8,601.42x = 70,551,114.89
5. Step 5: Solve for x
   x = 70,551,114.89/8,601.42
6. Step 6: Final answer
   x = 8,202.26