Finding the Fourth Proportional to 22,156.88, 30,576.86 and 12,085.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,156.88 : 30,576.86 = 12,085.32 : x
2. Step 2: Convert to fraction form
   22,156.88/30,576.86 = 12,085.32/x
3. Step 3: Cross multiply
   22,156.88x = 30,576.86 × 12,085.32
4. Step 4: Simplify right side
   22,156.88x = 369,531,054.15
5. Step 5: Solve for x
   x = 369,531,054.15/22,156.88
6. Step 6: Final answer
   x = 16,677.94