Finding the Fourth Proportional to 16,131.87, 22,260.74 and 9,056.93

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131.87 : 22,260.74 = 9,056.93 : x
2. Step 2: Convert to fraction form
   16,131.87/22,260.74 = 9,056.93/x
3. Step 3: Cross multiply
   16,131.87x = 22,260.74 × 9,056.93
4. Step 4: Simplify right side
   16,131.87x = 201,613,807.34
5. Step 5: Solve for x
   x = 201,613,807.34/16,131.87
6. Step 6: Final answer
   x = 12,497.86