Finding the Fourth Proportional to 16,191.58, 22,343.59 and 9,018.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,191.58 : 22,343.59 = 9,018.22 : x
2. Step 2: Convert to fraction form
   16,191.58/22,343.59 = 9,018.22/x
3. Step 3: Cross multiply
   16,191.58x = 22,343.59 × 9,018.22
4. Step 4: Simplify right side
   16,191.58x = 201,499,410.21
5. Step 5: Solve for x
   x = 201,499,410.21/16,191.58
6. Step 6: Final answer
   x = 12,444.70