Finding the Fourth Proportional to 13,171.42, 19,759.83 and 4,406.41

Step by Step Solution

1. Step 1: Write the proportion equation
   13,171.42 : 19,759.83 = 4,406.41 : x
2. Step 2: Convert to fraction form
   13,171.42/19,759.83 = 4,406.41/x
3. Step 3: Cross multiply
   13,171.42x = 19,759.83 × 4,406.41
4. Step 4: Simplify right side
   13,171.42x = 87,069,791.68
5. Step 5: Solve for x
   x = 87,069,791.68/13,171.42
6. Step 6: Final answer
   x = 6,610.51