Finding the Fourth Proportional to 16,321.05, 22,533.87 and 12,537.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,321.05 : 22,533.87 = 12,537.45 : x
2. Step 2: Convert to fraction form
   16,321.05/22,533.87 = 12,537.45/x
3. Step 3: Cross multiply
   16,321.05x = 22,533.87 × 12,537.45
4. Step 4: Simplify right side
   16,321.05x = 282,517,268.43
5. Step 5: Solve for x
   x = 282,517,268.43/16,321.05
6. Step 6: Final answer
   x = 17,309.99