Finding the Fourth Proportional to 10,171.98, 15,241.37 and 5,234.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,171.98 : 15,241.37 = 5,234.63 : x
2. Step 2: Convert to fraction form
   10,171.98/15,241.37 = 5,234.63/x
3. Step 3: Cross multiply
   10,171.98x = 15,241.37 × 5,234.63
4. Step 4: Simplify right side
   10,171.98x = 79,782,830.26
5. Step 5: Solve for x
   x = 79,782,830.26/10,171.98
6. Step 6: Final answer
   x = 7,843.39