Finding the Fourth Proportional to 14,091.42, 19,427.72 and 12,123.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,091.42 : 19,427.72 = 12,123.12 : x
2. Step 2: Convert to fraction form
   14,091.42/19,427.72 = 12,123.12/x
3. Step 3: Cross multiply
   14,091.42x = 19,427.72 × 12,123.12
4. Step 4: Simplify right side
   14,091.42x = 235,524,580.89
5. Step 5: Solve for x
   x = 235,524,580.89/14,091.42
6. Step 6: Final answer
   x = 16,714.04