Finding the Fourth Proportional to 22,157.30, 30,577.12 and 12,085.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,157.30 : 30,577.12 = 12,085.94 : x
2. Step 2: Convert to fraction form
   22,157.30/30,577.12 = 12,085.94/x
3. Step 3: Cross multiply
   22,157.30x = 30,577.12 × 12,085.94
4. Step 4: Simplify right side
   22,157.30x = 369,553,237.69
5. Step 5: Solve for x
   x = 369,553,237.69/22,157.30
6. Step 6: Final answer
   x = 16,678.62