Finding the Fourth Proportional to 11,380.58, 17,063.73 and 3,480.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,380.58 : 17,063.73 = 3,480.47 : x
2. Step 2: Convert to fraction form
   11,380.58/17,063.73 = 3,480.47/x
3. Step 3: Cross multiply
   11,380.58x = 17,063.73 × 3,480.47
4. Step 4: Simplify right side
   11,380.58x = 59,389,800.35
5. Step 5: Solve for x
   x = 59,389,800.35/11,380.58
6. Step 6: Final answer
   x = 5,218.52