Finding the Fourth Proportional to 12,103.48, 16,692.78 and 10,219.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,103.48 : 16,692.78 = 10,219.42 : x
2. Step 2: Convert to fraction form
   12,103.48/16,692.78 = 10,219.42/x
3. Step 3: Cross multiply
   12,103.48x = 16,692.78 × 10,219.42
4. Step 4: Simplify right side
   12,103.48x = 170,590,529.79
5. Step 5: Solve for x
   x = 170,590,529.79/12,103.48
6. Step 6: Final answer
   x = 14,094.34