Finding the Fourth Proportional to 16,131.32, 22,259.70 and 9,056.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131.32 : 22,259.70 = 9,056.36 : x
2. Step 2: Convert to fraction form
   16,131.32/22,259.70 = 9,056.36/x
3. Step 3: Cross multiply
   16,131.32x = 22,259.70 × 9,056.36
4. Step 4: Simplify right side
   16,131.32x = 201,591,856.69
5. Step 5: Solve for x
   x = 201,591,856.69/16,131.32
6. Step 6: Final answer
   x = 12,496.92