Finding the Fourth Proportional to 13,308.58, 19,964.07 and 3,447.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,308.58 : 19,964.07 = 3,447.82 : x
2. Step 2: Convert to fraction form
   13,308.58/19,964.07 = 3,447.82/x
3. Step 3: Cross multiply
   13,308.58x = 19,964.07 × 3,447.82
4. Step 4: Simplify right side
   13,308.58x = 68,832,519.83
5. Step 5: Solve for x
   x = 68,832,519.83/13,308.58
6. Step 6: Final answer
   x = 5,172.04