Finding the Fourth Proportional to 8,607.98, 12,912.45 and 2,451.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,607.98 : 12,912.45 = 2,451.50 : x
2. Step 2: Convert to fraction form
   8,607.98/12,912.45 = 2,451.50/x
3. Step 3: Cross multiply
   8,607.98x = 12,912.45 × 2,451.50
4. Step 4: Simplify right side
   8,607.98x = 31,654,871.18
5. Step 5: Solve for x
   x = 31,654,871.18/8,607.98
6. Step 6: Final answer
   x = 3,677.39