Finding the Fourth Proportional to 14,111.70, 19,463.67 and 9,072.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.70 : 19,463.67 = 9,072.42 : x
2. Step 2: Convert to fraction form
   14,111.70/19,463.67 = 9,072.42/x
3. Step 3: Cross multiply
   14,111.70x = 19,463.67 × 9,072.42
4. Step 4: Simplify right side
   14,111.70x = 176,582,588.98
5. Step 5: Solve for x
   x = 176,582,588.98/14,111.70
6. Step 6: Final answer
   x = 12,513.20