Finding the Fourth Proportional to 8,494.31, 12,745.83 and 3,817.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,494.31 : 12,745.83 = 3,817.56 : x
2. Step 2: Convert to fraction form
   8,494.31/12,745.83 = 3,817.56/x
3. Step 3: Cross multiply
   8,494.31x = 12,745.83 × 3,817.56
4. Step 4: Simplify right side
   8,494.31x = 48,657,970.77
5. Step 5: Solve for x
   x = 48,657,970.77/8,494.31
6. Step 6: Final answer
   x = 5,728.31