Finding the Fourth Proportional to 13,150, 18,147.41 and 7,561

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150 : 18,147.41 = 7,561 : x
2. Step 2: Convert to fraction form
   13,150/18,147.41 = 7,561/x
3. Step 3: Cross multiply
   13,150x = 18,147.41 × 7,561
4. Step 4: Simplify right side
   13,150x = 137,212,567.01
5. Step 5: Solve for x
   x = 137,212,567.01/13,150
6. Step 6: Final answer
   x = 10,434.42