Finding the Fourth Proportional to 9,185.20, 13,775.69 and 4,500.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,185.20 : 13,775.69 = 4,500.50 : x
2. Step 2: Convert to fraction form
   9,185.20/13,775.69 = 4,500.50/x
3. Step 3: Cross multiply
   9,185.20x = 13,775.69 × 4,500.50
4. Step 4: Simplify right side
   9,185.20x = 61,997,435.22
5. Step 5: Solve for x
   x = 61,997,435.22/9,185.20
6. Step 6: Final answer
   x = 6,749.71