Finding the Fourth Proportional to 8,245.50, 12,370.17 and 2,773.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,245.50 : 12,370.17 = 2,773.50 : x
2. Step 2: Convert to fraction form
   8,245.50/12,370.17 = 2,773.50/x
3. Step 3: Cross multiply
   8,245.50x = 12,370.17 × 2,773.50
4. Step 4: Simplify right side
   8,245.50x = 34,308,666.50
5. Step 5: Solve for x
   x = 34,308,666.50/8,245.50
6. Step 6: Final answer
   x = 4,160.90