Finding the Fourth Proportional to 35,057.78, 48,379.37 and 19,142.18

Step by Step Solution

1. Step 1: Write the proportion equation
   35,057.78 : 48,379.37 = 19,142.18 : x
2. Step 2: Convert to fraction form
   35,057.78/48,379.37 = 19,142.18/x
3. Step 3: Cross multiply
   35,057.78x = 48,379.37 × 19,142.18
4. Step 4: Simplify right side
   35,057.78x = 926,086,608.83
5. Step 5: Solve for x
   x = 926,086,608.83/35,057.78
6. Step 6: Final answer
   x = 26,416.01