Finding the Fourth Proportional to 16,113.32, 22,236.72 and 9,040.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,113.32 : 22,236.72 = 9,040.22 : x
2. Step 2: Convert to fraction form
   16,113.32/22,236.72 = 9,040.22/x
3. Step 3: Cross multiply
   16,113.32x = 22,236.72 × 9,040.22
4. Step 4: Simplify right side
   16,113.32x = 201,024,840.88
5. Step 5: Solve for x
   x = 201,024,840.88/16,113.32
6. Step 6: Final answer
   x = 12,475.69