Finding the Fourth Proportional to 22,156.82, 30,576.28 and 12,085.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,156.82 : 30,576.28 = 12,085.08 : x
2. Step 2: Convert to fraction form
   22,156.82/30,576.28 = 12,085.08/x
3. Step 3: Cross multiply
   22,156.82x = 30,576.28 × 12,085.08
4. Step 4: Simplify right side
   22,156.82x = 369,516,789.90
5. Step 5: Solve for x
   x = 369,516,789.90/22,156.82
6. Step 6: Final answer
   x = 16,677.34