Finding the Fourth Proportional to 16,159.30, 22,299.50 and 9,085.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,159.30 : 22,299.50 = 9,085.77 : x
2. Step 2: Convert to fraction form
   16,159.30/22,299.50 = 9,085.77/x
3. Step 3: Cross multiply
   16,159.30x = 22,299.50 × 9,085.77
4. Step 4: Simplify right side
   16,159.30x = 202,608,150.83
5. Step 5: Solve for x
   x = 202,608,150.83/16,159.30
6. Step 6: Final answer
   x = 12,538.18