Finding the Fourth Proportional to 8,505.48, 12,751.74 and 3,308.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,505.48 : 12,751.74 = 3,308.52 : x
2. Step 2: Convert to fraction form
   8,505.48/12,751.74 = 3,308.52/x
3. Step 3: Cross multiply
   8,505.48x = 12,751.74 × 3,308.52
4. Step 4: Simplify right side
   8,505.48x = 42,189,386.82
5. Step 5: Solve for x
   x = 42,189,386.82/8,505.48
6. Step 6: Final answer
   x = 4,960.26