Finding the Fourth Proportional to 42,096.48, 63,143.16 and 10,506.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,096.48 : 63,143.16 = 10,506.48 : x
2. Step 2: Convert to fraction form
   42,096.48/63,143.16 = 10,506.48/x
3. Step 3: Cross multiply
   42,096.48x = 63,143.16 × 10,506.48
4. Step 4: Simplify right side
   42,096.48x = 663,412,347.68
5. Step 5: Solve for x
   x = 663,412,347.68/42,096.48
6. Step 6: Final answer
   x = 15,759.33