Finding the Fourth Proportional to 8,510.50, 12,768.18 and 3,577.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,510.50 : 12,768.18 = 3,577.60 : x
2. Step 2: Convert to fraction form
   8,510.50/12,768.18 = 3,577.60/x
3. Step 3: Cross multiply
   8,510.50x = 12,768.18 × 3,577.60
4. Step 4: Simplify right side
   8,510.50x = 45,679,440.77
5. Step 5: Solve for x
   x = 45,679,440.77/8,510.50
6. Step 6: Final answer
   x = 5,367.42