Finding the Fourth Proportional to 16,157.82, 22,299.86 and 9,085.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,157.82 : 22,299.86 = 9,085.60 : x
2. Step 2: Convert to fraction form
   16,157.82/22,299.86 = 9,085.60/x
3. Step 3: Cross multiply
   16,157.82x = 22,299.86 × 9,085.60
4. Step 4: Simplify right side
   16,157.82x = 202,607,608.02
5. Step 5: Solve for x
   x = 202,607,608.02/16,157.82
6. Step 6: Final answer
   x = 12,539.29