Finding the Fourth Proportional to 19,300.29, 28,949.31 and 7,451.73

Step by Step Solution

1. Step 1: Write the proportion equation
   19,300.29 : 28,949.31 = 7,451.73 : x
2. Step 2: Convert to fraction form
   19,300.29/28,949.31 = 7,451.73/x
3. Step 3: Cross multiply
   19,300.29x = 28,949.31 × 7,451.73
4. Step 4: Simplify right side
   19,300.29x = 215,722,441.81
5. Step 5: Solve for x
   x = 215,722,441.81/19,300.29
6. Step 6: Final answer
   x = 11,177.16