Finding the Fourth Proportional to 8,513.48, 12,743.82 and 4,608.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,513.48 : 12,743.82 = 4,608.20 : x
2. Step 2: Convert to fraction form
   8,513.48/12,743.82 = 4,608.20/x
3. Step 3: Cross multiply
   8,513.48x = 12,743.82 × 4,608.20
4. Step 4: Simplify right side
   8,513.48x = 58,726,071.32
5. Step 5: Solve for x
   x = 58,726,071.32/8,513.48
6. Step 6: Final answer
   x = 6,898.01