Finding the Fourth Proportional to 22,085.10, 30,477.13 and 12,013.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,085.10 : 30,477.13 = 12,013.63 : x
2. Step 2: Convert to fraction form
   22,085.10/30,477.13 = 12,013.63/x
3. Step 3: Cross multiply
   22,085.10x = 30,477.13 × 12,013.63
4. Step 4: Simplify right side
   22,085.10x = 366,140,857.06
5. Step 5: Solve for x
   x = 366,140,857.06/22,085.10
6. Step 6: Final answer
   x = 16,578.64