Finding the Fourth Proportional to 22,156.31, 30,575.59 and 12,084.57

Step by Step Solution

1. Step 1: Write the proportion equation
   22,156.31 : 30,575.59 = 12,084.57 : x
2. Step 2: Convert to fraction form
   22,156.31/30,575.59 = 12,084.57/x
3. Step 3: Cross multiply
   22,156.31x = 30,575.59 × 12,084.57
4. Step 4: Simplify right side
   22,156.31x = 369,492,857.65
5. Step 5: Solve for x
   x = 369,492,857.65/22,156.31
6. Step 6: Final answer
   x = 16,676.64