Finding the Fourth Proportional to 10,535.37, 14,513.39 and 9,018.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,535.37 : 14,513.39 = 9,018.09 : x
2. Step 2: Convert to fraction form
   10,535.37/14,513.39 = 9,018.09/x
3. Step 3: Cross multiply
   10,535.37x = 14,513.39 × 9,018.09
4. Step 4: Simplify right side
   10,535.37x = 130,883,057.23
5. Step 5: Solve for x
   x = 130,883,057.23/10,535.37
6. Step 6: Final answer
   x = 12,423.20