Finding the Fourth Proportional to 6,123.28, 8,450.16 and 3,605.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,123.28 : 8,450.16 = 3,605.50 : x
2. Step 2: Convert to fraction form
   6,123.28/8,450.16 = 3,605.50/x
3. Step 3: Cross multiply
   6,123.28x = 8,450.16 × 3,605.50
4. Step 4: Simplify right side
   6,123.28x = 30,467,051.88
5. Step 5: Solve for x
   x = 30,467,051.88/6,123.28
6. Step 6: Final answer
   x = 4,975.61