Finding the Fourth Proportional to 53,166.72, 79,608.24 and 42,096

Step by Step Solution

1. Step 1: Write the proportion equation
   53,166.72 : 79,608.24 = 42,096 : x
2. Step 2: Convert to fraction form
   53,166.72/79,608.24 = 42,096/x
3. Step 3: Cross multiply
   53,166.72x = 79,608.24 × 42,096
4. Step 4: Simplify right side
   53,166.72x = 3,351,188,471.04
5. Step 5: Solve for x
   x = 3,351,188,471.04/53,166.72
6. Step 6: Final answer
   x = 63,031.69