Finding the Fourth Proportional to 8,424.37, 12,632.89 and 4,474.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,424.37 : 12,632.89 = 4,474.76 : x
2. Step 2: Convert to fraction form
   8,424.37/12,632.89 = 4,474.76/x
3. Step 3: Cross multiply
   8,424.37x = 12,632.89 × 4,474.76
4. Step 4: Simplify right side
   8,424.37x = 56,529,065.32
5. Step 5: Solve for x
   x = 56,529,065.32/8,424.37
6. Step 6: Final answer
   x = 6,710.19