Finding the Fourth Proportional to 16,131.50, 22,261.47 and 9,057.93

Step by Step Solution

1. Step 1: Write the proportion equation
   16,131.50 : 22,261.47 = 9,057.93 : x
2. Step 2: Convert to fraction form
   16,131.50/22,261.47 = 9,057.93/x
3. Step 3: Cross multiply
   16,131.50x = 22,261.47 × 9,057.93
4. Step 4: Simplify right side
   16,131.50x = 201,642,836.96
5. Step 5: Solve for x
   x = 201,642,836.96/16,131.50
6. Step 6: Final answer
   x = 12,499.94