Finding the Fourth Proportional to 22,156.30, 30,575.60 and 12,084.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,156.30 : 30,575.60 = 12,084.56 : x
2. Step 2: Convert to fraction form
   22,156.30/30,575.60 = 12,084.56/x
3. Step 3: Cross multiply
   22,156.30x = 30,575.60 × 12,084.56
4. Step 4: Simplify right side
   22,156.30x = 369,492,672.74
5. Step 5: Solve for x
   x = 369,492,672.74/22,156.30
6. Step 6: Final answer
   x = 16,676.64