Finding the Fourth Proportional to 10,131.94, 15,199.30 and 3,556.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.94 : 15,199.30 = 3,556.62 : x
2. Step 2: Convert to fraction form
   10,131.94/15,199.30 = 3,556.62/x
3. Step 3: Cross multiply
   10,131.94x = 15,199.30 × 3,556.62
4. Step 4: Simplify right side
   10,131.94x = 54,058,134.37
5. Step 5: Solve for x
   x = 54,058,134.37/10,131.94
6. Step 6: Final answer
   x = 5,335.42