Finding the Fourth Proportional to 13,171.42, 19,766.02 and 4,858.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,171.42 : 19,766.02 = 4,858.09 : x
2. Step 2: Convert to fraction form
   13,171.42/19,766.02 = 4,858.09/x
3. Step 3: Cross multiply
   13,171.42x = 19,766.02 × 4,858.09
4. Step 4: Simplify right side
   13,171.42x = 96,025,104.10
5. Step 5: Solve for x
   x = 96,025,104.10/13,171.42
6. Step 6: Final answer
   x = 7,290.41