Finding the Fourth Proportional to 8,488.04, 12,735.72 and 4,108.80

Step by Step Solution

1. Step 1: Write the proportion equation
   8,488.04 : 12,735.72 = 4,108.80 : x
2. Step 2: Convert to fraction form
   8,488.04/12,735.72 = 4,108.80/x
3. Step 3: Cross multiply
   8,488.04x = 12,735.72 × 4,108.80
4. Step 4: Simplify right side
   8,488.04x = 52,328,526.34
5. Step 5: Solve for x
   x = 52,328,526.34/8,488.04
6. Step 6: Final answer
   x = 6,164.97