Finding the Fourth Proportional to 22,085.65, 30,477.89 and 12,013.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,085.65 : 30,477.89 = 12,013.88 : x
2. Step 2: Convert to fraction form
   22,085.65/30,477.89 = 12,013.88/x
3. Step 3: Cross multiply
   22,085.65x = 30,477.89 × 12,013.88
4. Step 4: Simplify right side
   22,085.65x = 366,157,560.72
5. Step 5: Solve for x
   x = 366,157,560.72/22,085.65
6. Step 6: Final answer
   x = 16,578.98