Finding the Fourth Proportional to 10,262.28, 15,383.52 and 4,719.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,262.28 : 15,383.52 = 4,719.42 : x
2. Step 2: Convert to fraction form
   10,262.28/15,383.52 = 4,719.42/x
3. Step 3: Cross multiply
   10,262.28x = 15,383.52 × 4,719.42
4. Step 4: Simplify right side
   10,262.28x = 72,601,291.96
5. Step 5: Solve for x
   x = 72,601,291.96/10,262.28
6. Step 6: Final answer
   x = 7,074.58