Finding the Fourth Proportional to 14,092.45, 19,443.16 and 8,123.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,092.45 : 19,443.16 = 8,123.30 : x
2. Step 2: Convert to fraction form
   14,092.45/19,443.16 = 8,123.30/x
3. Step 3: Cross multiply
   14,092.45x = 19,443.16 × 8,123.30
4. Step 4: Simplify right side
   14,092.45x = 157,942,621.63
5. Step 5: Solve for x
   x = 157,942,621.63/14,092.45
6. Step 6: Final answer
   x = 11,207.61