Finding the Fourth Proportional to 13,172.52, 19,766.58 and 4,858.38

Step by Step Solution

1. Step 1: Write the proportion equation
   13,172.52 : 19,766.58 = 4,858.38 : x
2. Step 2: Convert to fraction form
   13,172.52/19,766.58 = 4,858.38/x
3. Step 3: Cross multiply
   13,172.52x = 19,766.58 × 4,858.38
4. Step 4: Simplify right side
   13,172.52x = 96,033,556.94
5. Step 5: Solve for x
   x = 96,033,556.94/13,172.52
6. Step 6: Final answer
   x = 7,290.45