Finding the Fourth Proportional to 16,131.89, 22,259.64 and 9,056.95

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131.89 : 22,259.64 = 9,056.95 : x
2. Step 2: Convert to fraction form
   16,131.89/22,259.64 = 9,056.95/x
3. Step 3: Cross multiply
   16,131.89x = 22,259.64 × 9,056.95
4. Step 4: Simplify right side
   16,131.89x = 201,604,424.81
5. Step 5: Solve for x
   x = 201,604,424.81/16,131.89
6. Step 6: Final answer
   x = 12,497.26