Finding the Fourth Proportional to 16,300.78, 22,495.02 and 8,848.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,300.78 : 22,495.02 = 8,848.78 : x
2. Step 2: Convert to fraction form
   16,300.78/22,495.02 = 8,848.78/x
3. Step 3: Cross multiply
   16,300.78x = 22,495.02 × 8,848.78
4. Step 4: Simplify right side
   16,300.78x = 199,053,483.08
5. Step 5: Solve for x
   x = 199,053,483.08/16,300.78
6. Step 6: Final answer
   x = 12,211.29