Finding the Fourth Proportional to 10,124.79, 15,189.34 and 3,551.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,124.79 : 15,189.34 = 3,551.37 : x
2. Step 2: Convert to fraction form
   10,124.79/15,189.34 = 3,551.37/x
3. Step 3: Cross multiply
   10,124.79x = 15,189.34 × 3,551.37
4. Step 4: Simplify right side
   10,124.79x = 53,942,966.40
5. Step 5: Solve for x
   x = 53,942,966.40/10,124.79
6. Step 6: Final answer
   x = 5,327.81