Finding the Fourth Proportional to 13,080.55, 19,613.49 and 4,314.73

Step by Step Solution

1. Step 1: Write the proportion equation
   13,080.55 : 19,613.49 = 4,314.73 : x
2. Step 2: Convert to fraction form
   13,080.55/19,613.49 = 4,314.73/x
3. Step 3: Cross multiply
   13,080.55x = 19,613.49 × 4,314.73
4. Step 4: Simplify right side
   13,080.55x = 84,626,913.71
5. Step 5: Solve for x
   x = 84,626,913.71/13,080.55
6. Step 6: Final answer
   x = 6,469.68