Finding the Fourth Proportional to 14,273.30, 21,404.42 and 4,911.54

Step by Step Solution

1. Step 1: Write the proportion equation
   14,273.30 : 21,404.42 = 4,911.54 : x
2. Step 2: Convert to fraction form
   14,273.30/21,404.42 = 4,911.54/x
3. Step 3: Cross multiply
   14,273.30x = 21,404.42 × 4,911.54
4. Step 4: Simplify right side
   14,273.30x = 105,128,665.01
5. Step 5: Solve for x
   x = 105,128,665.01/14,273.30
6. Step 6: Final answer
   x = 7,365.41