Finding the Fourth Proportional to 14,300.55, 19,731.54 and 8,636.22

Step by Step Solution

1. Step 1: Write the proportion equation
   14,300.55 : 19,731.54 = 8,636.22 : x
2. Step 2: Convert to fraction form
   14,300.55/19,731.54 = 8,636.22/x
3. Step 3: Cross multiply
   14,300.55x = 19,731.54 × 8,636.22
4. Step 4: Simplify right side
   14,300.55x = 170,405,920.38
5. Step 5: Solve for x
   x = 170,405,920.38/14,300.55
6. Step 6: Final answer
   x = 11,916.04