Finding the Fourth Proportional to 14,123.92, 21,171.53 and 7,554.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,123.92 : 21,171.53 = 7,554.72 : x
2. Step 2: Convert to fraction form
   14,123.92/21,171.53 = 7,554.72/x
3. Step 3: Cross multiply
   14,123.92x = 21,171.53 × 7,554.72
4. Step 4: Simplify right side
   14,123.92x = 159,944,917.82
5. Step 5: Solve for x
   x = 159,944,917.82/14,123.92
6. Step 6: Final answer
   x = 11,324.40